VIP Vision 8-port Unmanaged Fast Extended PoE Ethernet Switch - VSPoE-SW8E Features_2-Way Audio It works especially well for

It works especially well for fenced-off areas

and a single mic is adequate

Perimeter Protection: Accurately detect human and vehicle intrusions while intelligently filtering out false alarms from environmental factors like animals or rustling leaves

Use PoE for simpler installation with a single cable

signed firmware

VIP Vision 8-port Unmanaged Fast Extended PoE Ethernet Switch - VSPoE-SW8E Features_2-Way Audio It works especially well forThe VSPOE SW8E achieves incredible network & power transmission distances over regular Ethernet cable. Extend CCTV installations up to 800m when paired with compatible extended PoE (ePoE) IP surveillance cameras. The VSPOE SW8E also features Hi PoE device support, multiple uplink port types and option for DIN rail mounting. 8 x PoE+ device ports with 100Mbps per port (ePoE capable) 1 x Hi PoE device port with 100Mbps per port (ePoE capable) 1 x