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four layer architecture
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UL 217, WANLIN-656, How Ming Street, Kwun Tong, Hong Kong
UL 217, WANLIN-656, Ho···
2026-09-29
UL 217 - Wanlin, a Chinese manufacturer and export supplier based in Shenzhen, builds Internet of Things fire detection systems for Hong Kong programmes: multi-sensor smoke and carbon monoxide detectors with two-level pre-alarm and fire logic, dual SIM 4G and 5G gateways carrying manual call points and alarm sounders, and a monitoring platform with API, even···

