1. Comply with IEEE 802.af Power over Ethernet (10/100M Supported) Extender the range of PoE an additional 100 meters. 2. Automatically detects and protects PoE equipment from being damaged by incorrect installation. 3. Plug-and Play no configuration required. 4. 4-Port PoE extender can forward both Ethernet and PoE power for 1 terminal equipment via Cat5 ,Cat5e,Cat6,Cat6e,UTP cable. 5. 4-Port PoE Extender has 3 10/100M Lan ports, among them, one for power input, the other three for power output. Comply with 10/100/1000 BASE-TX,IEEE 802.3 af-PoE. 6. Used with AP, IP camera, IP telephone and the other network equipment in the situation of the lack of power line or far away from the power outlets. 7. Installed at hotels, schools, buildings, villages, etc. Specification: Network standard: IEEE802.3, IEEE802.3u, IEEE802.3x PoE connection standard: IEEE 802.3af/at PoE port input power: input maximum 30W PoE port output power: output maximum 24W/average 8W per port PoE power receiving input