4 Port Fast Ethernet Unmanaged POE Switch 4 x 10/100Mbps PoE ports, and and 2 × 10/100Mbps RJ45 ports. IEEE 802.3at/af standard for PoE ports (Max. 35 W PoE output). IEEE 802.3, IEEE 802.3u, and IEEE 802.3x standard. 6 KV surge protection for PoE ports. Up to 300 m long-range transmission. Wire-speed forwarding. Store-and-forward switching. Solid high-strength metal shell. Reliable fan-free design