WS-GPOE-1-WM | Gigabit Passive Power Over Ethernet Injector - Combines 10/100/1000 Data and DC Power on RJ45 for PoE, 2.1mm x 5.5mm DC Connector Will Accept 12-57v DC Gigabit PoE injector or splitter with LED Use any power supply up to 60 volts Use with IP security cameras, phones, wireless access points and other devices See also our 6 and 12 port Gigabit injectors, 8 and 12 port 100mb/s injectors, and kits with power supplies Expert USA Tech Support - call 512 479 0317