Power over Ethernet injector with 24 volt 24 watt 1 Amp power supply - Power is on all the time - no autonegotiation Full Protection: Short Circuit, Over Current and Over Voltage Protection. Remotely power 10/100/1000Mbps PoE enabled Equipment Through CAT5/5e/6/7 Ethernet Cable up to 328ft. Support IP Phones, Access Points and IP Cameras that use 24v POE, Ubiquiti, Unifi, Mikrotik, Tranzeo, Unifi, Aircam, etc if your devices use 802.3af/at - then please order our 48v PoE kit