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Wanlin Fire Protection offers Hardwired Smoke Detector (WL-SM400) for the Kuala Lumpur market: LoRaWAN protocol, 2-5km urban range, 500+ devices per gateway, star/mesh topology. Factory direct pricing

Source Dual Sensor Smoke Detector directly from Wanlin Fire, a leading Chinese manufacturer of Wireless Interconnected Smoke Alarm. Product highlights: RF 433MHz mesh, one triggers all, 100m distance,