Hikvision Wireless smoke detector DS-PD1-SMK-W memory The controller also supports offline

The controller also supports offline operation and is designed with tamper-proof switch

TP-Link SafeStream™ Gigabit Multi-WAN VPN Router ER7206 (TL-ER7206) a Professional

Wall-Penetrating Wi-Fi – Enhanced Wi-Fi signal cuts through walls and obstacles

the media converter is designed to address the needs of flexible long-range surveillance deployment with optical fibers

Hikvision Wireless smoke detector DS-PD1-SMK-W memory The controller also supports offlineHikvision Wireless smoke detector DS PD1 SMK W with RF 433MHz, Offers reliable protection utilizing two way wireless technology, Tamper alarm, smoke alarm, Build in siren: 85 dB, Communicates up to 800 m (in open areas)