1. Comply with IEEE 802.af Power over Ethernet (10/100/1000M Supported) Extender the range of PoE an additional 100 meters. 2. Automatically detects and protects PoE equipment from being 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 10/100/1000M 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: 1-3 output maximum 30W PoE power receiving input mission core: 1/2+, 3/6-, 4/5+, 7/8- PoE power output mission core: 1/2+, 3/6- POE power supply mission distance: less than equal 100 meters Power supply mission medium: 10/100/1000BASE-TX: Category 5 and above non-screen shielded twisted pair MAC Address Table: 2K Packet Buffer Memory: 48 Byte Switching Capacity: 1.0Gbps Network Protocol: IEEE 802.3i-10BASE-T, IEEE 802.3u: 100BASE-TX, IEEE 802.3x-Flow Control, IEEE 802.3af-Power over Ethernet; Working temperature: -10°c to 55°c Working Humidity: 10%~90%, No Condensation; Colour:White Material:ABS The actual product may have slight color difference or difference, which will not affect the use Package Contents: 1 * POE Extender / 3 * POE Extender Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.