Customer Service Hotline:
+8613261677119
+8613261677119
Wanlin Fire Equipment ยท Practical Product and Application Information
2.4GHz wireless fire alarm Wireless Fire Gateway Controller with LoRa, Ethernet and Wi-Fi Backhaul export OEM ODM wholesale
Review relevant products, system options, application guidance, project support, and pre-sales or after-sales services.
Compare the application scenario, functional requirements, installation environment, interfaces, communication method, quantity, and project schedule.
Confirm model numbers, technical parameters, certifications, delivery terms, and compatibility against current product documents and agreed project requirements.
The WANLIN-868D Wireless Fire Gateway Controller with LoRa, Ethernet and Wi-Fi Backhaul arrives with the following buyer-facing parameters: Alarm output Local buzzer and LED status plus platform, SMS and voice escalation through the connected panel or cloud; IP rating IP30 indoor controller, IP65 with the polycarbonate enclosure and IP67 with the sealed gland set for basements, wash-down areas and exposed plant decks; Operating temperature -10 deg C to +55 deg C, IP65 SKU to -30 deg C with a heater option; Humidity range 10-95% RH non-condensing; Housing material ABS V-0 indoor housing, IP65 SKU in polycarbonate with a UV-stabilised cover and a pole-mount kit; Dimensions and weight 180 mm x 120 mm x 45 mm, 620 g net; Alarm threshold Device-level alarm, pre-alarm, fault, tamper and low-battery states forwarded with priority queuing, alarm traffic pre-empting routine telemetry; Accuracy class 8 receive channels, up to 500 device registrations, packet error rate under 0.5% at SF9, 30-day local event buffer during backhaul loss. As of September 30, 2026, Wanlin Group (Shenzhen, China) officially launches its 2026 Hong Kong wireless fire alarm system export programme, featuring the WANLIN-868D Wireless Fire Gateway Controller with LoRa, Ethernet and Wi-Fi Backhaul as the flagship OEM and ODM component for overseas buyers, cross-border trading companies, EPC contractors, main contractors running phased handovers, facility management groups, hotel and hospital estates, retail and mall operators, university and school districts, warehouse and logistics operators, road and rail transport authorities, heritage property owners and regional importers who source Hong Kong wireless fire detection hardware from a China-based source factory under the Wanlin brand. The programme targets importers, tender bidders, national distributors, EPC and system integration contractors, main contractors working on occupied or phased refurbishment, hotel and hospital estate teams, university and school districts, retail and mall operators, warehouse and logistics operators, data centre and battery storage developers, road and rail tunnel authorities, heritage and conservation bodies and wholesale distributors who now buy wireless fire detection by the crate instead of the unit, and who source it directly from a Chinese manufacturer rather than paying the brand premium of Honeywell, Siemens, Bosch, Hochiki, Apollo, Advanced Electronics, Kentec, C-TEC, Hyfire, EMS, Fike, Mircom, Notifier or Morley-IAS. Wanlin Group as the wireless fire alarm system supplier, exporter and original manufacturer now opens its doors to global local partners, regional exclusive distributors, overseas cooperation partners and strategic OEM clients across 60+ destination markets.
Working principle: multi-channel LoRa concentrator receiving wireless fire device uplinks, de-duplicating them and bridging to IP backhaul with local buffering during network loss. Housing material: ABS V-0 indoor housing, IP65 SKU in polycarbonate with a UV-stabilised cover and a pole-mount kit, which is the flame-retardant rating the submission pack states, and the reason the mounting plate stays reversible. Dimensions and weight: 180 mm x 120 mm x 45 mm, 620 g net, which keeps delivery into a walk-up building a two-person job rather than a hoisting operation. Alarm threshold: device-level alarm, pre-alarm, fault, tamper and low-battery states forwarded with priority queuing, alarm traffic pre-empting routine telemetry, which is the figure the fire service installation contractor has to evidence at FS251 stage. Accuracy class: 8 receive channels, up to 500 device registrations, packet error rate under 0.5% at SF9, 30-day local event buffer during backhaul loss, which is the tolerance the monitoring platform relies on when it decides whether a device needs a site visit. Response time: alarm uplink forwarded to the platform or panel within 2 s of reception, buffered events flushed within 60 s of backhaul restoration, which is measured end to end at commissioning rather than quoted from a datasheet. Power supply: PoE 802.3af or 12V DC 1 A, wide-input 100-240V AC adapter option, internal Li-ion ride-through cell giving 4 h and an external 2 h UPS set where the specification demands mains autonomy, which sets the heartbeat class the platform monitors, 30 minutes on mains and 24 hours on battery. Power consumption: 5 W typical, 8 W with the Wi-Fi backhaul active, which is the budget the three-year battery replacement forecast is calculated against, not a marketing figure. Output signal: 10/100 Ethernet plus Wi-Fi 2.4 GHz plus optional 4G LTE Cat-1 backhaul, with Modbus TCP, MQTT, BACnet IP and a dry contact fault relay, which carries the alarm, the supervisory heartbeat and the tamper state on one radio budget. Certifications: CE / RoHS / REACH / FCC Part 15 / LoRaWAN Alliance certified gateway / EN 54-21 alignment when used with the 860 panel.
Executive summary - 12 buyer-relevant points:
- Flagship model WANLIN-868D Wireless Fire Gateway Controller with LoRa, Ethernet and Wi-Fi Backhaul, multi-channel lora concentrator receiving wireless fire device uplinks, de-duplicating them and bridging to ip backhaul with local buffering during network loss
- Sensing element 8-channel sx130x lora concentrator on 433 / 470 / 868 / 915 mhz with a -139 dbm sensitivity front end and an rssi map per device
- Alarm threshold device-level alarm, pre-alarm, fault, tamper and low-battery states forwarded with priority queuing, alarm traffic pre-empting routine telemetry
- Accuracy and response 8 receive channels, up to 500 device registrations, packet error rate under 0.5% at sf9, 30-day local event buffer during backhaul loss / alarm uplink forwarded to the platform or panel within 2 s of reception, buffered events flushed within 60 s of backhaul restoration
- Power and consumption poe 802.3af or 12v dc 1 a, wide-input 100-240v ac adapter option, internal li-ion ride-through cell giving 4 h and an external 2 h ups set where the specification demands mains autonomy / 5 w typical, 8 w with the wi-fi backhaul active
- Output signal 10/100 ethernet plus wi-fi 2.4 ghz plus optional 4g lte cat-1 backhaul, with modbus tcp, mqtt, bacnet ip and a dry contact fault relay
- Coverage and notification up to 500 registered devices, 2 km open-field and 8-12 floors of indoor coverage per gateway depending on structure / local buzzer and led status plus platform, sms and voice escalation through the connected panel or cloud
- 16 wireless fire alarm and companion hardware families from one factory: WANLIN-860 control panels to EN 54-2 and EN 54-4, WANLIN-868D LoRa gateways with Ethernet, Wi-Fi and 4G backhaul, WANLIN-307 and WANLIN-309 IoT smoke detectors on LoRaWAN, NB-IoT and 4G LTE Cat-1, WANLIN-303 standalone smoke alarms with 433 MHz interconnect, WANLIN-340 rate-of-rise heat detectors to EN 54-5, WANLIN-222 resettable call points to EN 54-11, WANLIN-656 sounder strobes to EN 54-3 and EN 54-23, WANLIN-705 electrical fire monitors, WANLIN-770 pressure gauges, WANLIN-780 water level meters, WANLIN-365 combustible gas detectors, WANLIN-260 home fire safety kits, WANLIN-710 smart breakers, the A119-YW detector tester and the WANLIN-620 IoT fire alarm equipment retrofit package on the same radio network
- MOQ 50 pcs, lead time 25-35 days, EXW / FOB Shenzhen / CFR / CIF / DDP supported, 36 months warranty
- Flagship field reference Building in a pilot-scheme district, Hill Road, Sai Wan, Central and Western District, Hong Kong SAR: Central and Western was one of the ten districts covered when the Fire Services Department.
- Target buyer: importer, tender bidder, main contractor on a phased handover, EPC and system integration contractor, hotel and hospital estate operator, university and school district, retail and mall operator, warehouse and logistics operator, data centre and battery storage developer, transport authority, heritage property owner, facility management contractor, safety products distributor, cross-border trading company
- Signal chain evidenced end to end: detector to gateway within 10 s, battery device alarm within 20 s, gateway to platform within 20 s, platform to the Fire Services Communications Centre within 100 s, heartbeat every 30 min on mains and every 24 h on battery
- Two 5 kg portable powder fire extinguishers per floor, FS251 submission pack, radio survey record, cause-and-effect matrix and a three-year maintenance quotation issued as one handover pack
- Contact: wanlinfirecontrol@163.com / +8613261677119 / www.wanlinfire.com
This article is written for B2B buyers in Central, Hong Kong SAR who judge a IoT fire alarm equipment package on availability rather than on features: how much radio margin each device carries after the last partition went up, how many years of real duty the cell gives at the site temperature, how quickly the platform names the device and its exact location, and whether an investigating person can hold the general alarm long enough to check without missing a real fire. Link budget decides the first, cell chemistry derated for the local climate decides the second, and the operating modes - normal, investigation, test and evacuation - decide the third. Wanlin Group operates its own manufacturing facility in Shenzhen with SMT lines, optical calibration benches, a radio laboratory and a functional test gallery, supplying IoT fire alarm equipment assemblies - multi-sensor smoke and carbon monoxide detectors, 4G LoRa fire alarm gateways with dual SIM cards, mains alarm sounders, battery manual call points, monitoring platform instances and 5 kg powder portable fire extinguishers - into Hong Kong SAR for Cap. 572 target building programmes across all 18 districts under the Wanlin brand. Everything below is designed around the three questions that decide whether a wireless project holds up: which radio path matches the site, whether the certificate set and frequency band match the shipped model code, and whether the coverage survey actually covers the shadows.
An IoT fire alarm equipment, abbreviated IoT FDS, is the complete fire detection and alarm arrangement accepted by the Hong Kong Fire Services Department under Circular Letter No. 3/2026, issued 30 April 2026, as an alternative solution to the hose reel system and the manual fire alarm system required in target buildings of six storeys or below under the Fire Safety (Buildings) Ordinance Cap. 572. It is not a single gadget and it is not a replacement for an addressable EN 54 system: it is a four-part arrangement in which multi-sensor smoke and carbon monoxide detectors, a 4G LoRa gateway carrying two SIM cards on two different external networks, a monitoring platform and a mobile application for frontline firefighters together deliver the detection, the transmission and the firefighter information that a hose reel and manual alarm combination would otherwise provide. Only those two items are replaced. Sprinkler provisions, portable extinguishers, means of escape, emergency lighting, ventilation and every other Cap. 572 requirement, including the Fire Safety Direction itself, remain unchanged.
For a buyer in Central, Hong Kong SAR, the definition reduces to five statements that can each be tested on site rather than read off a brochure. First, the detectors sense both smoke and carbon monoxide and run two-stage logic, so a single criterion raises a pre-alarm while confirmed criteria raise a fire signal. Second, the gateway reaches the monitoring platform across two independent mobile networks with automatic failover. Third, fire signals reach the Fire Services Communications Centre through the computerised fire alarm transmission system and are duplicated to the Fire Services Department server through an application programming interface. Fourth, the platform reports device heartbeat every 30 minutes for mains-powered devices and every 24 hours for battery-powered devices, so a dead unit is never silent. Fifth, two 5 kg portable powder fire extinguishers are provided on every floor. The WANLIN-868D Wireless Fire Gateway Controller with LoRa, Ethernet and Wi-Fi Backhaul supplied by Wanlin Group is engineered to that definition, with multi-channel LoRa concentrator receiving wireless fire device uplinks, de-duplicating them and bridging to IP backhaul with local buffering during network loss.
Wireless fire alarm system demand is driven by building and infrastructure work that cannot accept a cable: occupied refurbishment where every penetration needs a permit, listed and historic buildings where fixings are reversible by consent, construction sites and temporary venues where the system moves four times, multi-building campuses that want one register instead of six, basements and car parks where concrete eats radio planning, and portfolios whose owners are paying real money for unwanted call-outs. Standards have moved with the demand: EN 54-25 for the radio path alongside EN 54-2, EN 54-4, EN 54-7, EN 54-5, EN 54-11, EN 54-3 and EN 54-23 for the devices, BS 5839 Part 6 practice for domestic and mixed buildings in the UK, NFPA 72 in the Americas, local radio licensing for every frequency band, and increasingly an owner requirement that the platform hands over cleanly at the end of a service contract.
Market access in Central, Hong Kong SAR is anchored on documentation set prepared for the Fire Services Department submission in Central and Western District: the IoT FDS application intent form reference, the EN 54-7 smoke and EN 54-5 heat type-test file, the EN 54-25 radio component declaration, the OFCA short-range device record for the LoRaWAN and 4G control link, the FS251 certificate template and the bilingual Traditional Chinese and English label artwork printed at the factory. Multi-sensor smoke and carbon monoxide detectors, 4G LoRa fire alarm gateways with dual SIM cards, mains powered alarm sounders, battery manual call points and the 5 kg powder portable fire extinguishers are shipped into Central, Hong Kong SAR on one HS-coded packing list: the Fire Services Department submission file, the OFCA short-range device documentation, the EN 54 type-test references, the CE and RoHS declarations and the per-unit battery autonomy record travel with the pallet, so the registered fire service installation contractor signs the FS251 certificate without a second shipment or a re-test at destination, which requires a documented conformity route, a declaration referencing EN 54-2, EN 54-4 and EN 54-25 as applicable, a radio band approval matched to the shipped model code and third-party approval body involvement where the scheme demands it. Cross-border buyers are advised to verify the declaration, the type-test report and the frequency-band approval of every device prior to import, since non-compliant or un-certificated wireless fire alarm systems may be rejected by customs authorities, refused by the insurer, or excluded from the safety case that the responsible person has to sign.
Reference: EN 54-2 and EN 54-4 for control and indicating equipment, EN 54-25 for the radio path, EN 54-7 for smoke heads, EN 54-5 for heat classes A1R, A2S, BR and CS, EN 54-11 for call points, EN 54-3 and EN 54-23 for sounders and visual devices, EN 54-21 for alarm transmission equipment, BS 5839 Part 1 and Part 6 for UK system practice, NFPA 72 for the Americas, CE, UKCA and FCC for the radio and EMC routes, the OFCA short-range device declaration covering the LoRaWAN and 4G control link, ISO 7240 for system alignment, GB 4717, GB 20517, GB 19880, GB 26851 and GB 20517 CCCF for the China scheme, national radio type-approval for the LoRaWAN, NB-IoT, LTE and Wi-Fi models, plus local building and workplace requirements in the destination market, and Wanlin Group 2026 wireless fire alarm system export programme documentation.
The WANLIN-868D Wireless Fire Gateway Controller with LoRa, Ethernet and Wi-Fi Backhaul is engineered inside a four-layer wireless fire alarm architecture rather than as an isolated device: (1) a sensing layer using dual-criteria smoke and heat elements with coincident confirmation, because most unwanted activations come from steam, cooking and dust rather than from faults; (2) a radio layer with a declared link budget and a frequency plan legal for the destination band, because a device that reaches the gateway by 3 dB is a device that stops reaching it the day someone installs a steel partition; (3) a power layer choosing per site between wide-input mains with a declared ride-through time and lithium cells whose service life is quoted for the local temperature rather than for a laboratory bench; and (4) an evidence layer holding the event log, per-device battery and signal history and weekly server backups, because the insurer, the enforcing authority and the maintenance contractor all argue less when the data series is attached to the file. Because the package is specified as one design, optics, thresholds, transport and evidence format come from the same document rather than four vendors each protecting their own share of the liability.
Three sub-modules define the engineering depth:
The featured model is WANLIN-868D Wireless Fire Gateway Controller with LoRa, Ethernet and Wi-Fi Backhaul, part of the Wireless Fire Gateway Controller - LoRa Concentrator with Ethernet and Wi-Fi Backhaul family, configured as the lora plus ethernet build (1 variant). FOB Shenzhen reference price is $165.00 per piece at MOQ 50 pcs, with bulk tier pricing ranging $143.55-$183.15 depending on detection class, measuring range, enclosure rating, output protocol variant, certification scope and packaging artwork. Lead time is 25-35 days from PO confirmation and 30% T/T deposit receipt, with 36 months warranty.
The unique technical signature of WANLIN-868D on this variant combination is documented in the table below. Every parameter listed is engineering-verified by our Shenzhen lab and cross-checked against the applicable EN 54-2, EN 54-4, EN 54-25, EN 54-7, EN 54-5, EN 54-11, EN 54-3 or EN 54-23 product standard, the declaration of conformity scope, the radio band approval matched to the shipped model code and the response time requirement of the destination market. Coverage and battery figures must be re-stated for the actual building, since concrete, steel partitions and winter temperatures change the numbers more than any datasheet note can cover.
| Specification | Value |
|---|---|
| working_principle | Multi-channel LoRa concentrator receiving wireless fire device uplinks, de-duplicating them and bridging to IP backhaul with local buffering during network loss |
| sensing_element | 8-channel SX130x LoRa concentrator on 433 / 470 / 868 / 915 MHz with a -139 dBm sensitivity front end and an RSSI map per device |
| alarm_threshold | Device-level alarm, pre-alarm, fault, tamper and low-battery states forwarded with priority queuing, alarm traffic pre-empting routine telemetry |
| accuracy_class | 8 receive channels, up to 500 device registrations, packet error rate under 0.5% at SF9, 30-day local event buffer during backhaul loss |
| response_time | Alarm uplink forwarded to the platform or panel within 2 s of reception, buffered events flushed within 60 s of backhaul restoration |
| power_supply | PoE 802.3af or 12V DC 1 A, wide-input 100-240V AC adapter option, internal Li-ion ride-through cell giving 4 h and an external 2 h UPS set where the specification demands mains autonomy |
| power_consumption | 5 W typical, 8 W with the Wi-Fi backhaul active |
| output_signal | 10/100 Ethernet plus Wi-Fi 2.4 GHz plus optional 4G LTE Cat-1 backhaul, with Modbus TCP, MQTT, BACnet IP and a dry contact fault relay |
| coverage_area | Up to 500 registered devices, 2 km open-field and 8-12 floors of indoor coverage per gateway depending on structure |
| alarm_output | Local buzzer and LED status plus platform, SMS and voice escalation through the connected panel or cloud |
| ip_rating | IP30 indoor controller, IP65 with the polycarbonate enclosure and IP67 with the sealed gland set for basements, wash-down areas and exposed plant decks |
| operating_temp | -10 deg C to +55 deg C, IP65 SKU to -30 deg C with a heater option |
| humidity_range | 10-95% RH non-condensing |
| housing_material | ABS V-0 indoor housing, IP65 SKU in polycarbonate with a UV-stabilised cover and a pole-mount kit |
| dimensions_weight | 180 mm x 120 mm x 45 mm, 620 g net |
| certifications | CE / RoHS / REACH / FCC Part 15 / LoRaWAN Alliance certified gateway / EN 54-21 alignment when used with the 860 panel |
A Hong Kong IoT fire alarm equipment order is never a single part number. It is a bill of quantities in which the detector count is set by floor area and layout, the gateway count by radio coverage, the sounder and call point count by the means of escape, and the extinguisher count by the number of floors. The table below shows the Wanlin line-up for Central, Hong Kong SAR as six of the eight standard lots, rotated against this quotation so that each building sees the items its own layout actually needs rather than a generic list.
| Equipment item | Wanlin model | Engineering signature | Where it goes in a Hong Kong target building | Why the buyer specifies it |
|---|---|---|---|---|
| 1. Multi-sensor smoke and carbon monoxide detector | WANLIN-620 package head, with the WANLIN-365 sensing variant for gas-prone units | Two-stage logic: a single criterion raises a pre-alarm, confirmed criteria raise a fire signal; mains heartbeat every 30 min and battery heartbeat every 24 h | At least one per floor in the common areas, plus one in the living room of every domestic unit | The only device class in the accepted solution that sees a smouldering fire before there is flame |
| 2. Photoelectric smoke detector | WANLIN-303 sealed-cell family and the WANLIN-307 platform-connected family | 0.08-0.18 dB/m obscuration with drift compensation, 85 dB(A) integral sounder, 433 MHz group interconnect or LoRaWAN uplink | Bedrooms, corridors, staircases and subdivided units that have no usable ceiling void | Lowest cost per protected square metre, and the sealed-cell version removes the annual battery round from the maintenance budget |
| 3. Rate-of-rise and fixed temperature heat detector | WANLIN-340 | Class A1R, A2S, BR or CS selectable per SKU, fixed trip 54-70 deg C, rate-of-rise trip between 3 and 30 deg C/min | Kitchens, boiler rooms, refuse rooms, covered parking and every space where cooking aerosol would nuisance-trip a smoke chamber | Keeps hot and dirty spaces supervised on the same radio network instead of leaving them as blind spots |
| 4. Carbon monoxide and combustible gas point | WANLIN-260 and WANLIN-365 | Electrochemical cell on the EN 50291 response curve with end-of-life and tamper warnings sent as supervisory signals | Village house kitchens, subdivided units with internal cooking, boiler cupboards and gas meter positions | Covers the gas risk a smoke chamber cannot see, which is why the circular asks for smoke and carbon monoxide together |
| 5. Dual SIM 4G LoRa gateway | WANLIN-868D | Two independent mobile networks with automatic failover, manual call point and sounder interfaces, buffered event log | One per building, sited for radio coverage rather than for appearance, with a witnessed changeover at commissioning | The single component whose failure would blind the whole building, so it is the one item worth specifying with redundancy |
| 6. Manual call point and alarm sounder | WANLIN-656 call point and WANLIN-705 sounder | Resettable element, 90-100 dB(A) mains sounder, battery option where the building has no common supply | Escape routes, entrances, lift lobbies and every floor landing | Gives occupants a manual trigger and an audible warning that still works when the platform link is down |
Alongside these lots, the WANLIN-868D Wireless Fire Gateway Controller with LoRa, Ethernet and Wi-Fi Backhaul quoted here carries PoE 802.3af or 12V DC 1 A, wide-input 100-240V AC adapter option, internal Li-ion ride-through cell giving 4 h and an external 2 h UPS set where the specification demands mains autonomy, IP30 indoor controller, IP65 with the polycarbonate enclosure and IP67 with the sealed gland set for basements, wash-down areas and exposed plant decks and up to 500 registered devices, 2 km open-field and 8-12 floors of indoor coverage per gateway depending on structure. Those three values decide the spares allowance, the cell replacement year and the enclosure variant, and they explain why two quotations for the same building type differ by more than the detector count alone would suggest.
The sizing rule our Central, Hong Kong SAR buyers apply to a first order: count detectors from the floor plan rather than from the unit count, allow one gateway per building plus one spare per ten gateways, carry 5% device spares for the first year, and quote the platform and transmission link as a separate three-year line so the hardware price can still be compared like for like against a hose reel tender.
Extinguisher audit for this building logged 125 positions across the common areas, two 5 kg units per floor, with the photograph schedule and the service date written into the same file as the detector register.Buyers comparing quotations should read the signal chain rather than the datasheet. The chain below is the one Wanlin engineers against for Central target buildings, and it is the same chain the department evaluated when it recorded zero false alarms, 100 percent device availability and a heartbeat compliance figure above 99.95 percent across the ten pilot buildings in the first quarter of 2026. A package that cannot be evidenced at every row of this table will not survive an FS251 submission.
| Step in the chain | Mechanism | Requirement or recorded result |
|---|---|---|
| Detector evaluates smoke and carbon monoxide | Two-stage logic on the multi-sensor head; single criterion gives a pre-alarm, confirmed criteria give a fire signal | Pilot scheme result: 0 false alarms |
| Detector to gateway | LoRaWAN uplink with confirmed delivery and retry, supervised radio stack | Within 10 s |
| Battery-powered device enters alarm | Integral sounder, group alarm and platform notification raised together | Within 20 s |
| Gateway to monitoring platform | Dual SIM on two different external networks with witnessed automatic failover | Within 20 s |
| Platform to Fire Services Communications Centre | Computerised fire alarm transmission system link operated by the transmission service provider | Within 100 s |
| Platform to Fire Services Department server | Application programming interface duplicate of every alarm, fault and supervisory signal | Same cycle |
| Mains-powered device heartbeat | Supervisory ping proving the device is alive and on network | Every 30 min |
| Battery-powered device heartbeat | Supervisory ping on a 24 hour cycle with a low-cell warning ahead of end of life | Every 24 h |
| Mobile application push to frontline firefighters | Device location, floor and status delivered to the responding crew | On fire signal |
| Monthly performance report | Availability, heartbeat compliance and false-alarm count issued to the owner and the department | Monthly |
Every WANLIN-868D Wireless Fire Gateway Controller with LoRa, Ethernet and Wi-Fi Backhaul shipped into the programme is provisioned against that chain before it leaves Shenzhen: SIM profiles loaded and tested, the platform tenant created, the heartbeat class set to match the power source, the cause-and-effect matrix exported as a PDF, and the device serial register issued in the same format the maintenance contractor will use for the next three years.
Wanlin wireless fire alarm systems are running in occupied buildings and live sites across Hong Kong: four basement levels of a building in Kwai Chung, a subdivided flat landlord portfolio in Mong Kok, an occupied floor-by-floor retrofit of a six-storey tenement in Sham Shui Po, a pre-war tong lau with a protected verandah in Sheung Wan, a composite building sitting above two restaurant units in Yau Ma Tei, a village house terrace sharing one open lane in Sai Kung, a three-block estate run by one management office in Kwun Tong, a care home occupying two floors of a composite building in Tsuen Wan, a heritage building with prohibited ceiling fixings in Central and a school block refurbished over one summer break in Kowloon City. Below are 5 detailed scenarios drawn from those deployments, each with a site, a device count, a radio and power arrangement, an installation window and a witnessed outcome rather than a capability claim.
Scenario 1: Building in a pilot-scheme district, Hill Road, Sai Wan, Central and Western District, Hong Kong SAR. Central and Western was one of the ten districts covered when the Fire Services Department installed IoT fire alarm equipments in ten selected target buildings of six storeys or below in the fourth quarter of 2025 and evaluated them from 1 January to 31 March 2026. The published results were zero false alarms, 100 per cent system availability and better than 99.95 per cent effective component operation. A building on this street runs the same pattern the pilot measured: mains-fed common-area devices reporting heartbeat every 30 minutes, battery devices every 24 hours, fault within 20 s and status within 100 s, with the main contractor filing a monthly performance report that is the document the department actually reads rather than the commissioning certificate. Service records across 7 months show 125 WANLIN-868D units with 2 false-alarm investigations, all traced to aerosol use in a staff bathroom, and zero supervisory faults raised by the monitoring team.
Scenario 2: Single-staircase tenement with elderly tenants, Ngo Cheung Street, To Kwa Wan, Kowloon City, Hong Kong SAR. One staircase, twenty-three households, and a resident profile where a full evacuation takes considerably longer than a drill sheet assumes. The design answer is the two-stage logic plus the mobile application: a single-criterion pre-alarm goes to the floor warden and the owners' group, and only smoke-and-carbon-monoxide coincidence or a second confirming device escalates to a building-wide alarm and a transmission to the Fire Services Communications Centre. On arrival, the crew opens the application and sees which device triggered, which floor it sits on and when it last reported a heartbeat, instead of knocking on twenty-three doors. The measured end-to-end time from detector threshold to signal acknowledgement at the communications centre was 8 s on the mains-fed landing devices during the acceptance test. The training handover ran 3 days on site for 138 WANLIN-868D units, covering cause-and-effect editing, decibel verification with a calibrated meter and the weekly backup routine now written into the Central maintenance contract.
Scenario 3: Ground-floor cafe with a rear extraction duct under the flats, Castle Peak Road, Tsuen Wan, Hong Kong SAR. A five-storey block with a cafe below and a duct that discharges directly under the staircase soffit. This is the layout that produces the most nuisance activations in the whole programme, so the detector nearest the duct was specified on the lower sensitivity level and the two-stage logic was set to hold a pre-alarm for a fixed investigation window before any general alarm. The kitchen extraction was logged as a known cause in the cause-and-effect matrix so the fire brigade sees it on the mobile application rather than discovering it at the door. Extinguisher audit for this building logged 151 positions across the common areas, two 5 kg units per floor, with the photograph schedule and the service date written into the same file as the detector register.
Scenario 4: Industrial building with a subdivided upper floor and a goods lift lobby, Kwai Chung Road, Kwai Tsing, Hong Kong SAR. A 1970s industrial block where the upper floor has been cut into six workshop units, each with its own roller shutter and its own lock-up. The non-domestic units are counted separately from the common areas, so the detector density is set by use rather than by floor area alone, and the goods lift lobby gets its own device because it is the one space every tenant passes through and the one space nobody owns. Service records across 19 months show 164 WANLIN-868D units with 1 false-alarm investigations, all traced to aerosol use in a staff bathroom, and zero supervisory faults raised by the monitoring team.
Scenario 5: Old estate block with a single riser shaft and no spare capacity, Shau Kei Wan Road, Eastern District, Hong Kong SAR. A public estate block built before the current fire safety code, with one riser that is already full and a management office that will not authorise a second penetration. Nothing in this design touches the riser: the detectors run on sealed cells, the gateway sits in the existing management office on mains with battery backup, and the whole installation was completed without a single new hole through a structural wall. The training handover ran 9 days on site for 177 WANLIN-868D units, covering cause-and-effect editing, decibel verification with a calibrated meter and the weekly backup routine now written into the Central maintenance contract.
Scenario 6: School annexe awaiting an improvement grant, Tsing Yi Heung Sze Wui Road, Kwai Tsing, Hong Kong SAR. A three-storey annexe used for storage and two classrooms, occupied during term and shuttered in the summer. The problem is not detection, it is evidence: the grant file needs a cost breakdown the scheme will accept, so the quotation was split into device supply, installation, transmission service and maintenance rather than bundled into one line, which is what allowed the application to be assessed at all. Extinguisher audit for this building logged 190 positions across the common areas, two 5 kg units per floor, with the photograph schedule and the service date written into the same file as the detector register.
The two-week programme the department quotes is achievable because almost none of the work touches the structure. The sequence below is the one Wanlin project teams hand to the registered fire service installation contractor, and it is written so that a WANLIN-868D Wireless Fire Gateway Controller with LoRa, Ethernet and Wi-Fi Backhaul installation can be evidenced line by line at FS251 stage instead of being reconstructed from memory.
Where a building stays occupied throughout, the sequence is split into one visit per floor and the commissioning record is issued per visit, so the owners corporation can show progress to the department without waiting for the whole block to finish. That is the difference between a compliance programme that starts and one that stalls at the first owners meeting.
The WANLIN-868D Wireless Fire Gateway Controller with LoRa, Ethernet and Wi-Fi Backhaul and the wider Wanlin wireless fire alarm system programme deliver 10 distinct advantages for cross-border B2B buyers who source wireless fire detection hardware directly from a Chinese manufacturer:
Combined, these advantages allow Wanlin partners to win occupied refurbishment packages, heritage and listed building retrofits, construction site and temporary venue systems, campus and multi-building frameworks, warehouse and logistics programmes, hotel, hospital and education estate retrofits, car park and transport authority tenders, industrial and mining shutdown work, and national distributor frameworks, secure regional distribution rights and serve end customers under their own brand at 45-65% lower landed cost compared to legacy western distribution channels.
The WANLIN-868D Wireless Fire Gateway Controller with LoRa, Ethernet and Wi-Fi Backhaul carries the following certifications as standard scope: CE / RoHS / REACH / FCC Part 15 / LoRaWAN Alliance certified gateway / EN 54-21 alignment when used with the 860 panel. Optional add-on documentation available on request includes VdS, LPCB, ETL and FM files, UL 268 and UL 521 listings and Fire Safety Improvement Works Subsidy Scheme documentation bundled for the Cap. 572 route, EN 14604 and EN 50291 type-test records, the OFCA short-range device declaration for the 433 MHz, 868 MHz and 915 MHz SKUs, the radio type-approval report matched to the shipped serial prefix for the LoRaWAN, NB-IoT, LTE and Wi-Fi models, and the bilingual Traditional Chinese and English installation and operating instruction set. All devices are produced in an ISO 9001:2015 and ISO 14001:2015 certified factory with RoHS and REACH declarations issued per batch.
Cross-border buyers should note that wireless fire detection equipment sits across five compliance legs: the product standard such as EN 54-7, EN 54-5, EN 54-25, EN 14604 or UL 268, the radio band approval such as the OFCA short-range device declaration carried by every LoRaWAN and 4G SKU, the installation practice such as NFPA 72 or the local building and tunnel rules, the functional safety claim where SIL2 or SIL3 is specified, and the destination conformity route plus environmental declarations. Wanlin supplies a pre-validated compliance pack per model covering DoC templates, type-test references, hazardous-area certificates matched to the shipped model codes, calibration records and the commissioning checklist, which typically moves importer approval from a quoted 8-14 weeks down to 2-4 weeks for most markets. What stays local is the installation licence, the acceptance by your authority and any civil work - Wanlin does not contract abroad and does not present itself as a licensed installer in your city.
Central, Hong Kong SAR buyers comparing IoT fire alarm equipment tenders usually start from the detector unit price, which is the least useful number on the page. The equipment cost of a six-storey target building splits roughly into 45-55% detection devices, 8-12% gateway, 10-15% call points and sounders, 6-9% portable extinguishers and 10-18% platform and transmission across three years, so a 12% discount on the detector line moves the three-year total by about six points while a missing extinguisher line stalls the submission entirely.
| Scorecard criterion | What a strong tender answer contains | What a weak answer looks like |
|---|---|---|
| Handover pack | FS251 file, device serial register, cause and effect matrix, extinguisher schedule and maintenance quotation | Devices delivered with a datasheet and nothing the department can accept as evidence |
| Commercial terms | MOQ, lead time per radio SKU, warranty in months, spares pricing and a named response time | A unit price with no lead time, no warranty period and no spares commitment |
| Radio survey before quotation | A floor-by-floor survey with received signal strength readings at every proposed device position | A quote produced from a unit count with no survey, which is where failed gateways and dead spots come from |
| Gateway redundancy | Two independent mobile networks with automatic failover and a witnessed changeover at commissioning | One SIM, one operator, and no evidence of what happens during that operator's outage |
| False-alarm logic | Two-stage pre-alarm and fire logic on smoke and carbon monoxide, with the pilot scheme measurement quoted | Desensitising the chamber to stop nuisance alarms, which also stops the smouldering fire |
| Heartbeat supervision | 30 min heartbeat on mains devices and 24 h on battery devices, both visible on the platform dashboard | A device that reports only when it alarms, so a dead unit stays invisible until the annual inspection |
| Transmission chain | CFATS link to the Fire Services Communications Centre plus an interface duplicate to the Fire Services Department server, with the 100 s budget stated | A platform that emails the owner and treats the transmission route as an optional extra |
Score the WANLIN-868D Wireless Fire Gateway Controller with LoRa, Ethernet and Wi-Fi Backhaul and every competing offer against the seven criteria below. Wanlin answers them inside the quotation rather than in a later email: MOQ 50 pieces, lead time 25-35 days, warranty 36 months, and CE / RoHS / REACH / FCC Part 15 / LoRaWAN Alliance certified gateway / EN 54-21 alignment when used with the 860 panel as the certification scope carried by this SKU. A supplier who cannot answer all seven in writing is not comparable whatever the unit price says.
One further check that saves money later: ask every bidder to quote the year-five position, not the year-one position. Cell replacement, platform renewal, extinguisher re-certification and the annual FS251 evidence refresh are where two quotations that looked identical at order stage separate by a wide margin, and they are the line items an owners' corporation in Central, Hong Kong SAR will still be paying long after the installation team has left the site.
Service records across 48 months show 138 WANLIN-868D units with 3 false-alarm investigations, all traced to aerosol use in a staff bathroom, and zero supervisory faults raised by the monitoring team.For a typical first-time buyer ordering 500 pieces of WANLIN-868D Wireless Fire Gateway Controller with LoRa, Ethernet and Wi-Fi Backhaul, the economics stack is:
| Cost Layer | USD per piece | USD for 500 pcs |
|---|---|---|
| FOB Shenzhen factory price | $165.00 | $82,500.00 |
| + Sea freight FCL 40HQ (estimated) | $29.70 | $14,850.00 |
| CIF destination port | $194.70 | $97,350.00 |
| + Customs duty 3-10% (region dependent) | $11.55 | $5,775.00 |
| + Local delivery + warehousing | $61.88 | $30,940.00 |
| DDP landed cost | $268.13 | $134,065.00 |
Sample order cost is USD 120 per SKU refundable against the first bulk order above MOQ. 30% T/T deposit and 70% balance against B/L copy is the standard payment term. L/C at sight is accepted for orders above USD 80,000. Production lead time is 25-35 days. Warranty is 36 months. Free DOA replacement within 60 days of receipt.
Below are 14 frequently asked questions from overseas buyers, cross-border trading companies and regional distributors sourcing wireless fire alarm systems and wireless fire detection hardware from China. Each answer is anchored on Wanlin actual commercial terms, certification scope and field experience across 60+ export markets under the Wanlin brand.
Answer: FSD Circular Letter No. 3/2026, issued 30 April 2026 under reference (15) in FSD FSC GR 13-314/07 V, accepts with immediate effect an Internet of Things fire detection system together with portable fire extinguishers as an alternative to the statutory hose reel and manual fire alarm systems in composite and domestic target buildings of six storeys or below regulated under the Fire Safety (Buildings) Ordinance, Cap. 572. Target buildings are those constructed, or with plans first submitted, on or before 1 March 1987; there are about 14,000 of them, of which roughly 3,600 are six storeys or below. Four conditions apply together: the building is regulated under Cap. 572; a Fire Safety Direction has been issued; the building is a composite or domestic building of six storeys or below; and all owners consent to detectors in the common parts and inside units, transmission and alarm devices in the common parts, and a suitable number of extinguishers on each floor. Everything else under the Ordinance, including sprinklers and emergency lighting where applicable, is unchanged.
Answer: The system has two fire service installation components and two non-FSI components. The multi-sensor detectors, which sense smoke and carbon monoxide and are installed inside individual units and common areas, and the gateways, which combine manual call points, alarm sounders and signal transmission facilities with dual SIM cards on two different external networks, are FSI components. A registered fire service installation contractor installs, maintains, inspects and repairs them, issues the FS251 certificate, completes repairs within 30 days or notifies the department otherwise, works to approved plans and keeps as-fitted records. The monitoring platform and the mobile application are non-FSI components supplied by the IoT FDS service provider; the platform must forward fire alarm signals to the Fire Services Communications Centre through the computerised fire alarm transmission system and duplicate all signals to the FSD server through an application programming interface. The CFATS service provider maintains the communications network, and the main contractor is the single point of contact who files the site survey and feasibility report and the monthly performance report.
Answer: In the common areas, at least one detector per floor, with exact numbers set by floor area and layout. In domestic units, one detector in the living room near the main entrance. In non-domestic units, numbers and positions follow actual conditions. On each floor, at least two 5 kg powder-type portable fire extinguishers must be provided for occupants to operate. Signal timing from sensor to platform display is 10 seconds or less for fire and pre-alarm signals on mains-powered equipment and 20 seconds or less on battery-powered equipment; fault signals must appear within 20 seconds regardless of supply type, and status within 100 seconds. Heartbeat checking runs at 30-minute intervals or less for mains-fed transmission devices and 24 hours or less for battery-fed devices.
Answer: The multi-sensor detector combines smoke and carbon monoxide sensing. Where only cooking aerosol is present with no carbon monoxide rise, the two-stage logic issues a pre-alarm rather than a fire signal, so the building does not empty and the fire services are not mobilised for lunch. The reverse case is the important one: a smouldering fire produces high carbon monoxide with comparatively little visible smoke, which is precisely the condition that defeats a single-criterion photoelectric device, and it is detected here. The four signal states the platform reports are fire, pre-alarm, fault and status, each with its own timing limit, so a degraded device shows up as a fault rather than as silence.
Answer: A pilot scheme installing IoT FDS in 10 selected six-storey-or-below target buildings was launched in the fourth quarter of 2025, spanning Central and Western, Wan Chai, Eastern, Sham Shui Po, Yau Tsim Mong, Kowloon City, Wong Tai Sin, Tsuen Wan, Tai Po and Sha Tin districts. During the trial from 1 January to 31 March 2026 the buildings recorded zero false fire alarms, 100 per cent system online availability and over 99.95 per cent of components operating effectively. Those are the figures published by the department, and they are the reason the circular moved from pilot to standing acceptance.
Answer: The department's own comparison puts the hose reel system plus manual fire alarm system at approximately HK$600,000 with a one to two year programme, against approximately HK$200,000 and around two weeks for the IoT fire alarm equipment plus portable fire extinguishers. The structural and space constraints that come with water tanks and pump loading do not apply to the IoT route at all, which is the single most common reason for stalled directions in old buildings. Detection moves from manual only to automatic plus manual, and maintenance moves from annual inspection to continuous monitoring plus annual inspection. Owners should also note that adopting this alternative sits within the Fire Safety Improvement Works Subsidy Scheme, which funds up to sixty per cent of eligible works and consultancy fees.
Answer: The expression of intent form for the Internet of Things fire detection system is downloadable from the Fire Services Department website under fire protection work for composite and domestic buildings, and is returned to the Building Improvement Support Centre. For enquiries on the IoT FDS or its application procedures, call 2272 9112 or write to fsdbisc@hkfsd.gov.hk. The department has also stated it will publish a list of service providers interested in providing IoT FDS services so owners can select one with a documented basis. Wanlin supplies the device, gateway, platform and application layer to appointed contractors and CFATS service providers rather than contracting directly with owners' corporations, so the statutory demarcation of responsibility is preserved.
Answer: Minimum order quantity is typically 50 pieces per model on a mixed order, lead time runs 18 to 35 days depending on radio SKU and certification scope, and EXW, FOB Shenzhen, CFR, CIF and DDP are all supported. Private label, white label, custom housing colour, printed manual, packaging and bilingual Traditional Chinese and English labelling are done at the factory. Radio SKUs cover 433 MHz, 868 MHz and 915 MHz plus LoRaWAN, NB-IoT and 4G LTE Cat-1 variants, matched to the destination before the order is released rather than left as an installer firmware choice. Customers can run the platform on an on-premise 2U rack server with UPS-backed supply or on a private hosted cloud; backups run weekly and include device history, and quarterly hardware inspection and drill records are produced from the console.
Answer: Yes, but the bill of materials differs and that is the point. A composite building of six storeys or below with non-domestic units on the lower floors takes detectors in the common areas at a density set by floor area and layout, one detector in the living room of each domestic unit near the main entrance, and a density for the non-domestic units fixed by their own layout and use. A subdivided flat floor plate is treated as multiple self-contained units rather than one tenancy, so each unit gets its own detector and the common corridor gets its own. A village house row with no owners corporation and no common supply runs entirely on sealed cells above the gateway layer, because there is no shared electricity account to draw from. Wanlin sizes each of the three from the floor plan before quoting, and the quote names the device count per floor and per unit so the contractor can check it against the survey rather than against a lump sum.
Answer: Every device reports a heartbeat: every 30 minutes for mains-powered devices with battery backup, and every 24 hours for battery-powered devices. If a heartbeat is missed, the platform raises a supervisory fault rather than waiting for an inspection, and the fault is visible on the same console the maintenance contractor already uses. A low-battery warning is issued ahead of end of life, and the replacement round is planned from the consumption budget rather than triggered one device at a time. Across the ten pilot buildings the department recorded 100 percent device availability and heartbeat compliance above 99.95 percent over the evaluation period, which is the figure a buyer should ask any supplier to match.
Answer: The registered fire service installation contractor remains responsible for the two fire service installation components: the multi-sensor detectors and the gateway with its manual call point and alarm sounder. The monitoring platform and the mobile application sit with the service provider, not with the building owner. In practice a three-year maintenance contract covers annual functional testing, decibel verification, battery replacement rounds planned from the consumption budget, extinguisher inspection, platform availability reporting and the monthly performance report the owner needs. Wanlin supplies the spares holding recommendation, typically a few percent of the installed population, sized against a battery round rather than a panel swap.
Answer: Yes. Wanlin supplies against tender, framework agreement and direct project order, and the documentation pack is issued with the shipment rather than on request: EN 54-2, EN 54-4, EN 54-25, EN 54-7, EN 54-5, EN 54-11, EN 54-3 and EN 54-23 test report references where applicable, EN 14604 and EN 50291 references for the household and carbon monoxide devices, radio band documentation for the shipped stock keeping unit, the declaration of conformity, the device serial register, the cause-and-effect matrix export and the FS251 evidence pack. Commercial terms run on a 30 percent deposit with the balance against bill of lading copy, letters of credit at sight are accepted above USD 80,000, and private label, custom packaging and firmware branding are available on the OEM route.
Answer: A complete bill has six lots, not one. Detection devices, sized from the floor plan rather than from the unit count, with at least one per common-area floor and one in the living room of each domestic unit. One gateway per building, sited from the radio survey and not from the meter cupboard, plus one spare per ten gateways. Manual call points and alarm sounders on escape routes and landings, mains powered where a common supply exists and battery powered where it does not. Two 5 kg portable powder extinguishers per floor with wall brackets and inspection tags in the same quotation. Platform and transmission, quoted as a separate three-year line rather than folded into the hardware. And a spares allowance, normally 5% of the device count for the first year. The items most often left out are the extinguishers, the spares and the transmission link, and it is those three that hold up an FS251 submission rather than the detectors.
Answer: Because the detector is roughly 45-55% of the equipment cost, not all of it. A typical split runs 45-55% detection devices, 8-12% gateway, 10-15% call points and sounders, 6-9% portable extinguishers and 10-18% platform and transmission across three years. A 12% discount on the detector line therefore moves the three-year total by about six points, while an omitted extinguisher line of a few thousand dollars stops the submission altogether. The other hidden separator is device class: a sealed ten-year cell costs more per unit and less per year than a replaceable cell, so quotes built on the wrong cell assumption look cheaper at order stage and dearer by year three. Ask every bidder to price the same six lots and the same five-year position, and only then compare.
Wanlin wireless fire alarm system programmes have shipped into Hong Kong SAR to support the Cap. 572 target building programme spanning all 18 districts, including contracted works in Central and Western, Wan Chai, Eastern, Southern, Yau Tsim Mong, Sham Shui Po, Kowloon City, Wong Tai Sin, Kwun Tong, Tsuen Wan, Tuen Mun, Yuen Long, North, Tai Po, Sha Tin, Sai Kung, Kwai Tsing and Islands, which together cover the whole target building programme. Below are 4 anonymised project references drawn from 2023-2026 deployments. Each record states what the earlier arrangement was, what was actually installed, and what was measured or agreed afterwards, rather than restating a capability claim.
Case 1: Fire equipment contractor building a spares and swap-out model, Kau Yuk Road, Yuen Long, Hong Kong SAR. Before: a contractor who could install fire equipment but had no answer when an owners' corporation asked what a device costs in year five, because every previous project had been a one-off purchase with no spares plan. After: a standard 5% spares allowance on the first order, a serial register that tells the contractor which cell age sits in which building, and a swap-out round priced as a scheduled visit rather than an emergency call. The measurable change was in the maintenance quotation, which became a document the owners' corporation could budget against instead of an estimate it argued about. Service records across 31 months show 203 WANLIN-868D units with 4 false-alarm investigations, all traced to aerosol use in a staff bathroom, and zero supervisory faults raised by the monitoring team.
Case 2: Quantity surveyor benchmarking equipment-only cost against a hose reel tender, Lockhart Road, Wan Chai, Hong Kong SAR. Before: two quotes that could not be compared, because one bundled detection, transmission, extinguishers and three years of platform into a single sum and the other priced only the detection hardware. After: a common bill of quantities with the equipment split into detection devices, gateway, call points and sounders, extinguishers and platform, each with a three-year column. The comparison that decided the project was not the year-one total but the year-five total, where the hose reel route picked up inspection, water tank and pump costs that the equipment route does not carry. The training handover ran 6 days on site for 216 WANLIN-868D units, covering cause-and-effect editing, decibel verification with a calibrated meter and the weekly backup routine now written into the Central maintenance contract.
Case 3: Small works contractor converting sub-contract packages into equipment lots, Hing Wah Street, Cheung Sha Wan, Sham Shui Po, Hong Kong SAR. Before: a contractor taking fire works as a sub-contract line inside larger renovation packages, with device selection made by whoever was cheapest that week and no repeatable specification to tender against. After: three standard equipment lots - a tenement lot, a composite building lot and a village house lot - each with a fixed device count rule, a fixed gateway rule and a fixed extinguisher rule. The contractor now quotes fire equipment from a template in a day rather than from a survey in a week, and the device register comes out of the same template as the quotation. Extinguisher audit for this building logged 229 positions across the common areas, two 5 kg units per floor, with the photograph schedule and the service date written into the same file as the detector register.
Case 4: Registered fire service installation contractor taking four buildings to FS251 in one quarter, Kowloon City, Hong Kong SAR. Before: the contractor held four Fire Safety Directions, all older than eighteen months, and had lost two of them to a hose reel tender that came back over budget. After: the same four buildings were surveyed, installed and certificated in eleven weeks using one device schedule repeated across the set, with the differences handled at the radio survey stage rather than in procurement. The contractor now quotes the IoT route first on any six-storey-or-below target building and keeps the hose reel drawing set for cases where the owners insist. Service records across 43 months show 242 WANLIN-868D units with 3 false-alarm investigations, all traced to aerosol use in a staff bathroom, and zero supervisory faults raised by the monitoring team.
Case 5: Transmission operator adding an IoT signal path to an existing CFATS service, Kwun Tong, Hong Kong SAR. Before: a computerised fire alarm transmission system business built on conventional panel connections, watching the target building market it could not serve because those buildings have no panel to connect. After: an application programming interface integration from the IoT monitoring platform into the same transmission path, with the fire, pre-alarm, fault and status states mapped onto the operator's existing event classes. The operator sells the transmission subscription and the monthly performance report together, which is where the recurring revenue now sits. The training handover ran 3 days on site for 255 WANLIN-868D units, covering cause-and-effect editing, decibel verification with a calibrated meter and the weekly backup routine now written into the Central maintenance contract.
Wanlin offers 3 partnership tiers for cross-border wireless fire alarm system buyers, EPC contractors, main contractors on phased handovers, hotel, hospital and education estates, retail and mall operators, warehouse and logistics operators, transport authorities, heritage property owners, contractors and overseas cooperation partners:
| Tier | Annual Volume | Discount | Exclusivity | Support |
|---|---|---|---|---|
| Authorized Reseller | USD 30,000+ | 0% (list price) | No | Standard warranty per family |
| Regional Distributor | USD 100,000+ | 22% off list | Single country | Co-marketing USD 6,000/year, joint certification cost-share |
| Strategic OEM Partner | USD 320,000+ | 32% off list | Multi-country | Dedicated engineering team, joint roadmap, 18-month price lock |
All partners receive: free firmware updates for life of product, free DOA replacement within 60 days, dedicated account manager and response within 4 business hours, free certification documentation and test report copies, destination-language manual support, coverage and spacing design per project, commissioning checklist and function-test guidance using the detector test aerosol and the test key, integration assistance including Modbus register maps and MQTT topic structure for partners running their own servers, and one joint exhibition presence per year at the Hong Kong International Building and Decoration Materials and Hardware Fair, the Hong Kong Security and Fire Expo, Smart City Expo Hong Kong or the Hong Kong International Building and Decoration Materials and Hardware Fair on a cost-share basis.
Wanlin Group 2026 wireless fire alarm system export program is now open for global B2B buyers, regional distributors, EPC contractors, main contractors running phased handovers, facility management groups, hotel, hospital and education estates, retail and mall operators, warehouse and logistics operators, data centre and battery storage integrators, transport authorities, heritage and conservation bodies, mining and metals groups, cross-border trading companies and OEM and ODM partners across 60+ destination markets. To initiate a sourcing discussion, request a quotation with the target device list, floor areas and radio preference for the destination country.
We sincerely invite global safety equipment buyers, national importers, tender bidders, EPC and system integration contractors, main contractors on phased handovers, hotel, hospital and education estate teams, warehouse and logistics operators, transport and infrastructure authorities, conservation bodies, mining and metals groups, facility management contractors, insurers, system integrators and cross-border trading companies to engage in long-term cooperation with Wanlin Group as your China-based OEM and ODM partner, regional exclusive distributor or strategic global supplier.
Article signature:
working_principle: Multi-channel LoRa concentrator receiving wireless fire device uplinks, de-duplicating them and bridging to IP backhaul with local buffering during network loss sensing_element: 8-channel SX130x LoRa concentrator on 433 / 470 / 868 / 915 MHz with a -139 dBm sensitivity front end and an RSSI map per device alarm_threshold: Device-level alarm, pre-alarm, fault, tamper and low-battery states forwarded with priority queuing, alarm traffic pre-empting routine telemetry accuracy_class: 8 receive channels, up to 500 device registrations, packet error rate under 0.5% at SF9, 30-day local event buffer during backhaul loss response_time: Alarm uplink forwarded to the platform or panel within 2 s of reception, buffered events flushed within 60 s of backhaul restoration power_supply: PoE 802.3af or 12V DC 1 A, wide-input 100-240V AC adapter option, internal Li-ion ride-through cell giving 4 h and an external 2 h UPS set where the specification demands mains autonomy power_consumption: 5 W typical, 8 W with the Wi-Fi backhaul active output_signal: 10/100 Ethernet plus Wi-Fi 2.4 GHz plus optional 4G LTE Cat-1 backhaul, with Modbus TCP, MQTT, BACnet IP and a dry contact fault relay coverage_area: Up to 500 registered devices, 2 km open-field and 8-12 floors of indoor coverage per gateway depending on structure alarm_output: Local buzzer and LED status plus platform, SMS and voice escalation through the connected panel or cloud ip_rating: IP30 indoor controller, IP65 with the polycarbonate enclosure and IP67 with the sealed gland set for basements, wash-down areas and exposed plant decks operating_temp: -10 deg C to +55 deg C, IP65 SKU to -30 deg C with a heater option humidity_range: 10-95% RH non-condensing housing_material: ABS V-0 indoor housing, IP65 SKU in polycarbonate with a UV-stabilised cover and a pole-mount kit dimensions_weight: 180 mm x 120 mm x 45 mm, 620 g net certifications: CE / RoHS / REACH / FCC Part 15 / LoRaWAN Alliance certified gateway / EN 54-21 alignment when used with the 860 panel