16-Port 100 Mbps Unmanaged PoE Switch Optional 820 ft (250 m) Extended Transmission Mode 16 x 10/100 Mbps Auto-MDIX Ports IEEE 802.3at/af PoE Compliant Up to 30 W per PoE Port, PoE Power Budget 230 W 4 kV Surge Protection IEEE 802.3x Flow Control Support Plug-and-Play Installation 7.2 Gbps Switching Fabric 2.75 Mbits RAM Data Buffer 4K MAC Address Entries Sturdy Metal Enclosure