multi criteria fire detector

wireless multi criteria fire detector Wireless Interconnected Photoelectric Smoke Detector - LoRaWAN, NB-IoT and 4G LTE Cat-1 export OEM ODM wholesale

smoke detector with code of practice direct from Wanlin Fire Protection — 12-year factory experience, WL-IoT-GW 4G smart fire protection product certified CE/FCC/RoHS/REACH/ISO9001. Key specs: 4G LTE + WiFi + Ethernet + Modbus TCP + MQTT + REST API, 4G LTE Primary + WiFi Backup + Ethernet + Cloud Platform + API + MQTT + SMS + Push + Email. No monthly fees, ···