Free Power CombinationPoE World Passive PoE Injector can be used with any PoE device, GPOE-1-WM allows combining power with data for 10/100/1000 networks . Compatible with power supply up to 56 volts, please note that this injector is NOT power supply included. Passively PoEThis Gigabit PoE injector works in mode B (Mode B: 4& 5(+) and 7&8 (-)), and the power supply is "always on". Works with any non-PoE switch, powers 802.3af and 802.3at devices "passively". Wall MountableWith hanging ears for wall mounting, apply with power supply to power cameras IP, phones, wireless access points and other devices. which is widely used in private homes, businesses, shops, private networks and other PoE areas. Plug and Play Simply connect the power cable and port to network devices and POE devices. No configuration is required for normal operation. 12-56V power supply works with this injector.