Description: This Power over Ethernet module allows you to power up to 8 devices remotely over ethernet wiring up to 328 ft (100 meters) away; add PoE ability to any Ethernet switch or router. Use this device to inject power into the CAT-5, CAT-6 or CAT-7 cable. Standard Ethernet uses 2 of the 4 pairs, passive POE uses unused pins 4/5 for plus power, and 7/8 for ground. 10/100M operation, add PoE ability to any Ethernet switch or router, use this device to inject power into the CAT-5, CAT-6 or CAT-7 cable. Power Supply not included - for 802.3af devices use a 48v supply, Mikrotik uses 24v, Ubiquiti needs 24v or 48v, Openmesh needs 24v or 48v. Specification: Material: Plastic,Electronic Parts Size: 170 x 60 x 30mm Net Weight: 120gNominal Voltage: 12-48VDC Input Current: 0-8A; Data Rate: 10/100Mbps Operating Temperature: 0C~50C; Storage Temperature: -40C~70C Operating Humidity: 10%~80%RH; Connector: Package Includes: 1 x 8 Ports POE Injector Note: Attention: This link do not included external power supply!