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LoRa Wireless Smoke Alarm
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NB-IoT cellular smoke detector, NB-IoT Smart Gas Detector, W···
NB-IoT cellular smoke ···
2026-08-17
NB-IoT cellular smoke detector — Wanlin, 12-year Chinese smart fire detector manufacturer, WL-GA201 (NB-IoT Smart Gas Detector) certified UL/CE/EN54. Electrochemical/Semiconductor + NB-IoT + Cloud + Valve Control + 5-Year Battery. 10-year battery, 4G/NB-IoT/LoRaWAN, OEM/ODM from 500 units, factory direct pricing 50-70% below Western brands.
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Battery Powered Wireless Smoke Detector Manufacturer, CE EN1···
Battery Powered Wirele···
2026-07-08
Battery Powered Wireless Smoke Detector China manufacturer. CE EN14604 UL RoHS FCC certified. 4G wireless smoke detection solution for Southeast Asia market. OEM/ODM, wholesale, global shipping. Contact: wanlinfirecontrol@163.com