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 damaged by incorrect installation. Plug-and-Play no configuration required 3. 4-Port PoE extender can forward both Ethernet and PoE power for 1 terminal equipment via Cat5 ,Cat5e,Cat6,Cat6e,UTP cable. 4. 4-Port PoE Extender has 4 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. 5. 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. Installed at hotels, schools, buildings, villages, etc. VLAN Mode: Out Ports 2 - 5 support VLAN isolation, lessen network traffic, and increase network security. 3 Levels Cascade:Extra 330ft(100m) PoE+ data transmission can be extended through a PoE repeater. And it supports 3 levels cascade, therefore, it can achieve PoE data transmission up to 1312ft with 3 PoE extender. Network standard: IEEE802.3, IEEE802.3u, IEEE802.3x PoE connection standard: IEEE 802.3af/at PoE port input power: input maximum 90W PoE port output power: 2-5 output maximum 30W,Single port maximum 24W PoE power receiving input transmission core: 1/2+, 3/6-, 4/5+, 7/8- PoE power output transmission core: 1/2+, 3/6- POE power supply transmission distance: less than equal 100 meters Power supply transmission medium: 10/100/1000BASE-TX: Category 5 and above non-screen shielded twisted pair Address Table: 2K Packet Buffer Memory: 48 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 Regulation Compliance: FCC Part 15B, ROHS Directive 2011/65/EU, Low Voltage Directive 2014/35/EU,EMC Directive 2004/108/EC Working temperature: -10 to 55 Working Humidity: 10%-90%, No Condensation Dimension: 82x52x23mm Weight: 55g Colour:As Shown Material:Plastic Package Contents: 1 * Gigabit 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.