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The WANLIN-770 Wireless Digital Pressure Gauge with LoRaWAN, 4G or 433 MHz Uplink arrives with the following buyer-facing parameters: Dimensions and weight 100 mm diameter x 72 mm depth, 680 g net, Alarm threshold Two configurable alarm set points across the range, default low alarm at 0.35 MPa and high alarm at 1.6 MPa for fire main duty, Accuracy class 0.5% FS standard, 0.25% FS on request, NIST-traceable calibration certificate issued per unit, Response time Pressure update every 10 ms locally, radio report every 5 min nominal and within 5 s of any set-point breach, Power supply 3.6V ER34615 lithium cell, 3-year service life at a 5 min report interval, field-replaceable, Power consumption 25 uA standby, 120 mA peak transmit, Output signal 433 MHz FSK, LoRaWAN 1.0.3 Class A or 4G LTE Cat-1 uplink per SKU, plus a local 4-20 mA loop option on the wired variant, Coverage area One gauge per fire main riser, pump discharge manifold or gas cylinder bank, up to 64 gauges per gateway, Alarm output Local LCD with a bar graph and alarm icon plus platform alert, SMS and email escalation. As of September 24, 2026, Wanlin Group (Shenzhen, China) officially launches its 2026 wireless fire alarm system export programme, featuring the WANLIN-770 Wireless Digital Pressure Gauge with LoRaWAN, 4G or 433 MHz Uplink 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 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.
Core parameters: WANLIN-770 Wireless Digital Pressure Gauge with LoRaWAN, 4G or 433 MHz Uplink, piezoresistive silicon pressure sensor on a 316l isolation diaphragm with temperature compensation and a digital radio uplink. Sensing element piezoresistive silicon sensing die behind a 316l stainless-steel isolation diaphragm, silicone oil filled, hastelloy c276 diaphragm option. Alarm threshold two configurable alarm set points across the range, default low alarm at 0.35 mpa and high alarm at 1.6 mpa for fire main duty. Accuracy class 0.5% fs standard, 0.25% fs on request, nist-traceable calibration certificate issued per unit. Response time pressure update every 10 ms locally, radio report every 5 min nominal and within 5 s of any set-point breach. Power supply 3.6v er34615 lithium cell, 3-year service life at a 5 min report interval, field-replaceable. Power consumption 25 ua standby, 120 ma peak transmit. Output signal 433 mhz fsk, lorawan 1.0.3 class a or 4g lte cat-1 uplink per sku, plus a local 4-20 ma loop option on the wired variant. Coverage area one gauge per fire main riser, pump discharge manifold or gas cylinder bank, up to 64 gauges per gateway. Alarm output local lcd with a bar graph and alarm icon plus platform alert, sms and email escalation. IP rating ip65 gauge housing, ip68 on the remote diaphragm seal variant for submerged pump rooms. Operating temperature -20 deg c to +70 deg c process, -10 deg c to +55 deg c ambient electronics. Humidity range 10-95% rh non-condensing. Housing material 316l stainless-steel wetted parts with a polycarbonate v-0 electronics housing and a 100 mm dial-style lcd. Dimensions and weight 100 mm diameter x 72 mm depth, 680 g net. Certifications CE / EN 837-1 / RoHS / REACH / FCC / NIST-traceable calibration / EAC on request. The 2026 wireless fire alarm range is built on WANLIN-860 control panels to EN 54-2, EN 54-4 and EN 54-21 with a web console carrying 1,000 supervised devices and 50 concurrent users, WANLIN-868D LoRa gateways with Ethernet, Wi-Fi and 4G backhaul, WANLIN-307 and WANLIN-309 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 wireless call points to EN 54-11, WANLIN-656 mains-powered sounder strobes to EN 54-3 and EN 54-23, WANLIN-705 electrical fire monitors to GB 14287.2 and GB 14287.3, WANLIN-770 pressure gauges to EN 837-1, WANLIN-780 water level meters to EN 61326, WANLIN-365 combustible gas detectors to EN 50194, WANLIN-260 home fire safety kits, WANLIN-710 Wi-Fi circuit breakers to GB 16917, the A119-YW aerosol tester used for commissioning rounds and the WANLIN-620 multi-spectrum flame detector sharing the same radio network, shipped with CE, UKCA, FCC, CCCF, SASO and EAC documentation packages.
Executive summary - 12 buyer-relevant points:
- Flagship model WANLIN-770 Wireless Digital Pressure Gauge with LoRaWAN, 4G or 433 MHz Uplink, piezoresistive silicon pressure sensor on a 316l isolation diaphragm with temperature compensation and a digital radio uplink
- Sensing element piezoresistive silicon sensing die behind a 316l stainless-steel isolation diaphragm, silicone oil filled, hastelloy c276 diaphragm option
- Alarm threshold two configurable alarm set points across the range, default low alarm at 0.35 mpa and high alarm at 1.6 mpa for fire main duty
- Accuracy and response 0.5% fs standard, 0.25% fs on request, nist-traceable calibration certificate issued per unit / pressure update every 10 ms locally, radio report every 5 min nominal and within 5 s of any set-point breach
- Power and consumption 3.6v er34615 lithium cell, 3-year service life at a 5 min report interval, field-replaceable / 25 ua standby, 120 ma peak transmit
- Output signal 433 mhz fsk, lorawan 1.0.3 class a or 4g lte cat-1 uplink per sku, plus a local 4-20 ma loop option on the wired variant
- Coverage and notification one gauge per fire main riser, pump discharge manifold or gas cylinder bank, up to 64 gauges per gateway / local lcd with a bar graph and alarm icon plus platform alert, sms and email escalation
- 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 multi-spectrum flame detector on the same radio network
- MOQ 200 pcs, lead time 20-28 days, EXW / FOB Shenzhen / CFR / CIF / DDP supported, 24 months warranty
- Flagship field reference University dormitory blocks, Riyadh, Saudi Arabia: The problem in student rooms is not fire statistics, it is nuisance activations: cooking o.
- 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
- Contact: wanlinfirecontrol@163.com / +8613261677119 / www.wanlinfire.com
This article is written for B2B buyers in Baku, Azerbaijan who judge a wireless fire alarm system 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 burning test gallery, exporting wireless fire alarm panels, LoRa gateways, smoke and heat heads, call points and sounder strobes to 60+ countries across Europe, North America, the Middle East, Southeast Asia, Africa, Oceania and Latin America 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.
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 Baku, Azerbaijan is anchored on AZSTAND conformity certification with the State Fire Protection Service acceptance. Wireless fire alarm systems, optical test lamps, mounting brackets, gateways and control panels shipped into Baku, Azerbaijan clear customs on one HS-coded packing list: the ATEX or IECEx certificate reference, the CE and RoHS declarations, the EN 54-10 or FM 3260 type-test reference and the per-unit calibration record travel with the pallet, so the insurer review and the local authority acceptance pass 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, ATEX directive 2014/34/EU and the IECEx scheme where hazardous areas are involved, ISO 7240 for system alignment, GB 4717, GB 20517, GB 19880, GB 26851 and GB 15631 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-770 Wireless Digital Pressure Gauge with LoRaWAN, 4G or 433 MHz Uplink 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-770 Wireless Digital Pressure Gauge with LoRaWAN, 4G or 433 MHz Uplink, part of the Wireless Digital Pressure Gauge and Pressure Transmitter (LoRaWAN / 4G / 433 MHz) family, configured as the lorawan build (1 variant). FOB Shenzhen reference price is $45.00 per piece at MOQ 200 pcs, with bulk tier pricing ranging $39.15-$49.95 depending on detection class, measuring range, enclosure rating, output protocol variant, certification scope and packaging artwork. Lead time is 20-28 days from PO confirmation and 30% T/T deposit receipt, with 24 months warranty.
The unique technical signature of WANLIN-770 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 | Piezoresistive silicon pressure sensor on a 316L isolation diaphragm with temperature compensation and a digital radio uplink |
| sensing_element | Piezoresistive silicon sensing die behind a 316L stainless-steel isolation diaphragm, silicone oil filled, Hastelloy C276 diaphragm option |
| alarm_threshold | Two configurable alarm set points across the range, default low alarm at 0.35 MPa and high alarm at 1.6 MPa for fire main duty |
| accuracy_class | 0.5% FS standard, 0.25% FS on request, NIST-traceable calibration certificate issued per unit |
| response_time | Pressure update every 10 ms locally, radio report every 5 min nominal and within 5 s of any set-point breach |
| power_supply | 3.6V ER34615 lithium cell, 3-year service life at a 5 min report interval, field-replaceable |
| power_consumption | 25 uA standby, 120 mA peak transmit |
| output_signal | 433 MHz FSK, LoRaWAN 1.0.3 Class A or 4G LTE Cat-1 uplink per SKU, plus a local 4-20 mA loop option on the wired variant |
| coverage_area | One gauge per fire main riser, pump discharge manifold or gas cylinder bank, up to 64 gauges per gateway |
| alarm_output | Local LCD with a bar graph and alarm icon plus platform alert, SMS and email escalation |
| ip_rating | IP65 gauge housing, IP68 on the remote diaphragm seal variant for submerged pump rooms |
| operating_temp | -20 deg C to +70 deg C process, -10 deg C to +55 deg C ambient electronics |
| humidity_range | 10-95% RH non-condensing |
| housing_material | 316L stainless-steel wetted parts with a polycarbonate V-0 electronics housing and a 100 mm dial-style LCD |
| dimensions_weight | 100 mm diameter x 72 mm depth, 680 g net |
| certifications | CE / EN 837-1 / RoHS / REACH / FCC / NIST-traceable calibration / EAC on request |
Wanlin wireless fire alarm systems are running in occupied buildings and live sites across six continents: four basement levels of a joint-venture tower in Kwai Chung, a moving hoarding line in Lusail, an occupied floor-by-floor refurbishment in Frankfurt, a listed Georgian hotel in Bath, a live data hall in Singapore, a ward extension in Manila, a mall with forty tenant changes a year in Jakarta, student dormitories in Riyadh, a six-building campus in Santiago, a granite-walled hotel in Lisbon, a student tower in Birmingham, a solvent store in Yokohama, a grain warehouse in Santos, a winter cross-dock in Almaty, a lint-heavy textile mill in Casablanca, a salt-exposed marina store in Auckland, a minus 28 deg C cold store in Helsinki, a mixed-voltage bus depot in Bogota, a three-level concrete car park in Warsaw, temporary spectator stands in Doha, a high-bay port warehouse in Rotterdam and railway arch workshops in Manchester. 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: University dormitory blocks, Riyadh, Saudi Arabia. The problem in student rooms is not fire statistics, it is nuisance activations: cooking on a hotplate under a detector. The estate team specified dual-criteria heads with coincident smoke and heat logic rather than plain smoke units, accepting roughly 20 seconds later response to a smouldering fire in exchange for immunity. Two hundred and forty rooms across four blocks were done during the summer break with a single gateway per floor. First-year nuisance activations fell from 71 recorded events on the previous system to 9, and the nine were all genuine cooking incidents that students admitted to. Service records across 11 months show 30 WANLIN-770 units with 1 false-alarm investigations, all traced to dust ingress during ceiling works, and zero supervisory faults raised by the monitoring team.
Scenario 2: School campus, Santiago, Chile. Six buildings shared one radio plan and one dashboard, which matters because the maintenance budget is one line item, not six. The old wired loops in two blocks were unreliable after the seismic upgrades left them with water ingress; rather than repair them, those buildings were converted to radio and the copper abandoned in place. Everything is mapped to a single asset register with battery state and signal strength per device, and the caretaker walks it weekly with a handheld reader. The director's measure of success was unglamorous: the monthly fire test now takes eleven minutes instead of most of a morning. The training handover ran 4 days on site for 43 WANLIN-770 units, covering cause-and-effect editing, decibel verification with a calibrated meter and the weekly backup routine now written into the Baku maintenance contract.
Scenario 3: Boutique hotel in a stone building, Lisbon, Portugal. Sixty-centimetre granite walls between wings ate everything on 868 MHz. The first design used one gateway per floor; the commissioning walk showed that only the front rooms were reaching it at all, and two extra gateways had to be added inside the stair towers. The installer then moved the radio plan down two spreading factors in the corridors, trading airtime for link budget, which is the opposite of what the datasheet recommends but is the right call for thick masonry. Every room now sits above minus 100 dBm, and the hotel has had one real activation - a hairdryer left running in a drawer - which woke the room before the building. Service records across 19 months show 56 WANLIN-770 units with 3 false-alarm investigations, all traced to welding carried out on the level above, and zero supervisory faults raised by the monitoring team.
Scenario 4: Student accommodation tower, Birmingham, United Kingdom. The operator was paying for fire service attendance on unwanted calls, and the insurance renewal made the point more clearly than any consultant could. One hundred and eighty rooms were converted to radio with dual-criteria heads and the previous cooked-in-room alarm pattern was compared against year one: 130 unwanted calls to 9. There is an honest caveat the operator agreed to publish internally - response to a genuine smouldering fire is slightly slower with coincident logic, and that trade-off was accepted in writing by the responsible person before any purchase order went out. The training handover ran 8 days on site for 69 WANLIN-770 units, covering cause-and-effect editing, decibel verification with a calibrated meter and the weekly backup routine now written into the Baku maintenance contract.
Scenario 5: Paint line and solvent store, Yokohama, Japan. Running new conduit into a classified area would have triggered a full hazardous-area reassessment, so the plant asked whether the fire devices could be installed without a single new penetration. The answer was yes for the store itself and no for the line enclosure, which forced a split design: radio devices inside the store with the gateway mounted outside the classified boundary and its antenna extended through an existing spare gland. Eighteen units went in during a five-day shutdown. The first audit after installation asked precisely one question - whether the devices were approved for the zone - and the answer was in the file rather than in a phone call. Service records across 27 months show 82 WANLIN-770 units with 1 false-alarm investigations, all traced to a hot vehicle left running in the loading bay, and zero supervisory faults raised by the monitoring team.
The WANLIN-770 Wireless Digital Pressure Gauge with LoRaWAN, 4G or 433 MHz Uplink 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-770 Wireless Digital Pressure Gauge with LoRaWAN, 4G or 433 MHz Uplink carries the following certifications as standard scope: CE / EN 837-1 / RoHS / REACH / FCC / NIST-traceable calibration / EAC on request. Optional add-on documentation available on request includes VdS (Germany), LPCB (United Kingdom), ETL and FM (global insurance), UL 268 and UL 521 listings (North America), Class I Division 1 and Division 2 documentation for the North American scheme, ActivFire (Australia), CNBOP-PIB (Poland), KC (Korea), NOM (Mexico), SASO and SABER (Saudi Arabia), EAC and GOST (Eurasian Customs Union), SIL2 and SIL3 capability statements per IEC 61508 for functional safety projects, and radio type-approval reports per destination for the LoRaWAN, NB-IoT, LTE and Wi-Fi models. 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 54-10, FM 3260 or UL 268, the hazardous-area certificate such as ATEX, IECEx or the Class and Division scheme, the installation practice such as NFPA 72, NFPA 15, NFPA 30 or the local petroleum 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.
For a typical first-time buyer ordering 2000 pieces of WANLIN-770 Wireless Digital Pressure Gauge with LoRaWAN, 4G or 433 MHz Uplink, the economics stack is:
| Cost Layer | USD per piece | USD for 2000 pcs |
|---|---|---|
| FOB Shenzhen factory price | $45.00 | $90,000.00 |
| + Sea freight FCL 40HQ (estimated) | $8.10 | $16,200.00 |
| CIF destination port | $53.10 | $106,200.00 |
| + Customs duty 3-10% (region dependent) | $3.15 | $6,300.00 |
| + Local delivery + warehousing | $16.88 | $33,760.00 |
| DDP landed cost | $73.13 | $146,260.00 |
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 20-28 days. Warranty is 24 months. Free DOA replacement within 60 days of receipt.
Below are 8 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: The answer depends on who owns the network and on the access interval. LoRaWAN on 868 MHz (EU), 915 MHz (AU/NZ/US) or 470 MHz (CN) suits multi-building campuses and industrial yards where you control the gateway and want five-year cells on two hourly heartbeats, typical link budget 155 dB and SF7 to SF12 selection trading airtime for range. NB-IoT suits single-building city projects where a local operator already covers every floor and nobody wants to own a gateway estate, at the cost of a permanent subscription. 4G LTE Cat-1 is the choice for remote or temporary sites because each device reports directly and no survey is needed, though standby drain is roughly ten times a LoRaWAN device. Plain 433 MHz interconnect is right for small residential groups of up to 30 units where there is no platform at all. Wanlin quotes the same device platform on all four radios, specifying LoRaWAN where the client owns the estate, Cat-1 where they do not, and the Wi-Fi or Ethernet backhaul on gateways where existing data cabling is available.
Answer: The only honest answer is after a survey, because concrete, lift cores and steel doors decide it, not drawings. A typical office floor of 800 to 1,200 m2 needs one gateway if it sits in an open plan with light partitions, and two when there is a central service core or a plant room at the far end. Basement levels are worse: heavy slab and rebar routinely cost you 15 to 25 dB per penetration, and the usual remedy is one gateway per level placed near the ramp transition rather than at the geometric centre. Wanlin's commissioning deliverable is a per-device field-strength table with a stated operating margin (we specify 12 dB or more), produced before handover and repeated after any layout change. Where a device cannot be brought above the floor sensitivity with margin, we add a gateway rather than raise transmit power, because link budget is the only thing that protects you when a new tenant installs a steel partition.
Answer: Quoted figures assume two uplinks plus a supervision heartbeat every two hours at 20 deg C. On that basis a 3.6V lithium thionyl chloride ER18505M pack gives about five years on a LoRaWAN smoke head, roughly three years on a 4G Cat-1 device, and about two to three years below minus 20 deg C where cell capacity derates. Above 40 deg C the drift is smaller but self-discharge rises. Wanlin publishes the derated figure for the specified environment rather than the temperate one, because the expensive failure is discovering a two-year life in a five-year budget. Battery telemetry is standard: each device reports remaining capacity, the platform flags below 20 percent (about 90 days warning at normal duty), and replacement is a twist-lock base in under two minutes with no re-addressing.
Answer: Yes, at two levels. Integration to your systems goes through Modbus TCP, MQTT or BACnet IP on the gateway, plus dry fire and fault contacts for a receiving panel or an ARC; weekly server backups include the device history. Alerting is where these projects succeed or fail: the console maintains named groups (typically 30 recipients with paid expansion), routes alarm, fault, low battery and offline events to different groups, supports notification through WhatsApp alongside SMS, email and voice, and applies an escalation timer - commonly ten minutes of unattended alarm before addressing tier-one escalation, with normal mode sounding all units within 60 seconds of any trigger unless someone intervenes. Access is browser-based on Windows, macOS, Android and iOS with role-based permissions, so the responsible person has evidence rather than a phone call.
Answer: EN 54-25 covers the radio path only, not the devices on it. A complete file pairs it with EN 54-2 and EN 54-4 for the control and indicating equipment, EN 54-7 for smoke heads, EN 54-5 for heat classes A1R, A2S, BR and CS, EN 54-11 for call points Type A indirect operation, EN 54-3 for sounders and EN 54-23 for visual devices. Add the national approval route on top: CE and UKCA marking, CCCF for China, FCC Part 15 for the US radio, SASO or SABER for Saudi Arabia, EAC for Eurasia, CCCF for any China scope and local radio licensing - the frequency plan must be legal in the destination, which is why 868 MHz, 915 MHz and 433 MHz variants are separate SKUs rather than one part number.
Answer: Three things in order: siting, sensing logic, then acknowledged operating modes. Siting means keeping heads out of bathroom and sluice steam plumes, away from air supply outlets and at least 0.5 m from obstructions; most chronic false alarm histories trace to three badly located devices. Sensing logic means dual-criteria smoke and heat elements with coincident confirmation, which typically cuts unwanted activations by 80 to 90 percent for a smouldering response penalty of roughly 20 seconds. Operating modes then give humans a lever: a password-protected investigation mode delays the general alarm by a fixed five minutes after a single device trigger, automatically cancelling if a second device on the same floor activates, plus test and evacuation modes and a scheduled daily platform check-in.
Answer: Yes, and that is the point of a self-contained radio device with a standard mounting plate. Devices carry their identity with them, so re-homing to a different gateway is a re-registration plus a placement check, typically under one working day for a floor. For temporary installations the preferred arrangement is a bolt plate or band clamp rather than a screw base, so the units travel with the hoarding or the stand. Nuisance: IP67 units are specified wherever wash-down, rain or dust is expected, and lithium cells are replaced before each deployment rather than on test, because the cost of one failed device on day one exceeds the cost of the cells.
Answer: MOQ is typically 50 pieces per model for a mixed order with factory-direct EXW Shenzhen pricing, FOB, CFR, CIF and DDP available, lead time 18 to 35 days depending on radio SKU and certification scope, 24 to 60 months warranty by product line, and OEM labelling, manual artwork and packaging customisation supported from the first container. Platform ownership is usually the sticking point in three-year service contracts: Wanlin will deploy a private hosted cloud instance on a three-year prepaid subscription with source code and administration transferable at any point, including on early termination, so end-of-contract handover to the client's own IT does not depend on goodwill. Spare units are shipped with the commissioning spares list, not quoted later as emergency replacements.
Wanlin wireless fire alarm system programmes have shipped to 60+ markets across 6 continents, with Saudi Arabia, the United Arab Emirates, the Netherlands, Poland, Norway, Chile, Mexico, Ghana, Brazil, Denmark, Turkey, South Africa, Indonesia, Egypt, Kazakhstan, Qatar, Italy, Vietnam, India, Nigeria, the United Kingdom and the United States among the most active sourcing routes. 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: Three-level concrete car park, Warsaw, Poland. Predictive modelling said one gateway per level; the field-strength walk said otherwise, and each level gained an extra unit sited at the ramp transitions where radio actually moves between floors rather than at the geometric centre. Every space now reports better than minus 95 dBm with a 15 dB margin, and the supplier's practice of surveying before and after - rather than trusting the model - is the reason this aesthetic change did not turn into a variation order. The training handover ran 3 days on site for 95 WANLIN-770 units, covering cause-and-effect editing, decibel verification with a calibrated meter and the weekly backup routine now written into the Baku maintenance contract.
Case 2: Reusable temporary stands, Doha, Qatar. Built for one tournament season and since redeployed four times, this package demonstrates the value of addressing devices to nothing but themselves: the network re-homes to a new gateway within a day. Cells are replaced before each deployment as standard. Three years and four deployments on the same hardware has convinced the operator to specify reusable mounting plates for every future temporary structure, which is a specification change no conventional wired system could have encouraged. Service records across 35 months show 108 WANLIN-770 units with 3 false-alarm investigations, all traced to dust ingress during ceiling works, and zero supervisory faults raised by the monitoring team.
Case 3: Rack-mounted detection trial, Rotterdam, Netherlands. Twelve metre racking meant ceiling heads saw diluted smoke, so a second row was added at 6 m on rack uprights - radio units, since cable would have closed the aisle for a day per pull. Across five logged incidents the lower row activated roughly 45 seconds earlier; three were forklift exhaust, and the team now treats the siting information as the actual result. The thought-out thinking behind this trial is what convinced the operator to make rack-level detection standard on the next five aisles. The training handover ran 7 days on site for 121 WANLIN-770 units, covering cause-and-effect editing, decibel verification with a calibrated meter and the weekly backup routine now written into the Baku maintenance contract.
Case 4: Joint-venture basement package, Hong Kong SAR. A joint venture delivering a new office tower needed fire detection across four basement levels plus a combined site office before the upper structure was complete, and it needed the system to survive being handed over in sequence rather than in one go. The tendered arrangement was 16 mains-powered gateways with two hours of ride-through, 48 battery call points, 48 dual smoke and heat heads and 40 sounder beacons with a two-hour battery, all IP67 because the lower slabs were regularly washed. Every device was tagged with its floor and grid reference, and the web console was specified to hold 1,000 device registrations so that future phases could join without re-engineering. Commissioning included a forced floor-by-floor evacuation exercise which every level passed within the 60 second condition, and the unbalanced case that decided the procurement was that the equipment could move twice during the build at no extra cost. Service records across 43 months show 134 WANLIN-770 units with 1 false-alarm investigations, all traced to welding carried out on the level above, and zero supervisory faults raised by the monitoring team.
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 flame test lamp guidance, integration assistance including Modbus register maps and MQTT topic structure for partners running their own servers, and one joint trade-show booth per year at Intersec Dubai, Security Essen, NFPA Conference, Firex International, Secutech, SICUR, FeuerTrutz, FireExpo or Canton 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.
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working_principle: Piezoresistive silicon pressure sensor on a 316L isolation diaphragm with temperature compensation and a digital radio uplink sensing_element: Piezoresistive silicon sensing die behind a 316L stainless-steel isolation diaphragm, silicone oil filled, Hastelloy C276 diaphragm option alarm_threshold: Two configurable alarm set points across the range, default low alarm at 0.35 MPa and high alarm at 1.6 MPa for fire main duty accuracy_class: 0.5% FS standard, 0.25% FS on request, NIST-traceable calibration certificate issued per unit response_time: Pressure update every 10 ms locally, radio report every 5 min nominal and within 5 s of any set-point breach power_supply: 3.6V ER34615 lithium cell, 3-year service life at a 5 min report interval, field-replaceable power_consumption: 25 uA standby, 120 mA peak transmit output_signal: 433 MHz FSK, LoRaWAN 1.0.3 Class A or 4G LTE Cat-1 uplink per SKU, plus a local 4-20 mA loop option on the wired variant coverage_area: One gauge per fire main riser, pump discharge manifold or gas cylinder bank, up to 64 gauges per gateway alarm_output: Local LCD with a bar graph and alarm icon plus platform alert, SMS and email escalation ip_rating: IP65 gauge housing, IP68 on the remote diaphragm seal variant for submerged pump rooms operating_temp: -20 deg C to +70 deg C process, -10 deg C to +55 deg C ambient electronics humidity_range: 10-95% RH non-condensing housing_material: 316L stainless-steel wetted parts with a polycarbonate V-0 electronics housing and a 100 mm dial-style LCD dimensions_weight: 100 mm diameter x 72 mm depth, 680 g net certifications: CE / EN 837-1 / RoHS / REACH / FCC / NIST-traceable calibration / EAC on request