1. Compliant with IEEE 802.af Power over Ethernet (10/100M supported) Extends PoE range by an additional 100 meters 2. Automatically detects and protects PoE equipment from damage caused by improper installation 3. Plug and Play system required The 4.3-port PoE extender can transmit both Ethernet and PoE power for 1 terminal device via Cat5, Cat5e, Cat6, Cat6e, UTP cable. The 5.3-port PoE extender has 3 10/100M Lan ports, one for power input, the other three for power output. Compliant with 10/100/1000 BASE-TX,IEEE 802.3 af-PoE. Used with AP, IP camera, IP phone and other network equipment in case of power line shortage or far from power outlets Installed in hotels, schools, buildings, villages, etc. Network: IEEE802.3, IEEE802.3u, IEEE802.3x PoE connection: IEEE 802.3af/at PoE port input power: Max 30W input PoE port output power: Max 24W output/Average 8W per port PoE power input receiving transmit core: 1/2+, 3/6-, 4/5+, 7/8- PoE output power transmission core: 1/2+, 3/6- Power