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dual sim different networks
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Hong Kong Kwun Tong Fire Alarm Retrofit, WANLIN-309, How Min···
Hong Kong Kwun Tong Fi···
2026-09-30
Hong Kong Kwun Tong Fire Alarm Retrofit - Wanlin, a Chinese manufacturer and export supplier based in Shenzhen, builds Internet of Things fire alarm equipment for Hong Kong programmes: multi-sensor smoke and carbon monoxide detectors with two-level pre-alarm and fire logic, gateways carrying manual call points, alarm sounders and dual SIM transmission on dif···
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IoT Fire Alarm Equipment - WANLIN-860 for High Street, Centr···
IoT Fire Alarm Equipme···
2026-09-30
IoT Fire Alarm Equipment - Wanlin, a Chinese manufacturer and export supplier based in Shenzhen, builds Internet of Things fire alarm equipment for Hong Kong programmes: multi-sensor smoke and carbon monoxide detectors with two-level pre-alarm and fire logic, gateways carrying manual call points, alarm sounders and dual SIM transmission on different networks···