Wanlin Fire Protection offers 3 in 1 Smoke Heat Carbon Monoxide Alarm (WL-SM400) for the Amsterdam market: LoRaWAN protocol, 2-5km urban range, 500+ devices per gateway, star/mesh topology. Factory di
Source Smoke Heat Composite Detector directly from Wanlin Fire, a leading Chinese manufacturer of Wireless Interconnected Smoke Alarm. Product highlights: RF 433MHz mesh, one triggers all, 100m distan