Attention! This is 24V Passive PoE Adapter, only works for the 24V PoE devices, NOT for 48V(802.3af) PoE devices Power over Ethernet injector with 24 volt 24 watt 1 Amp power supply - Power is on all the time - no Autonegotiation Remotely power 10/100Mbps 24V PoE enabled Equipment Through CAT5/5e/6/7 Ethernet Cable up to 328ft. Support 24V PoE enabled IP Phones, Access Points and IP Cameras, such as Ubiquiti, Unifi, Mikrotik, Tranzeo, Unifi, Aircam, etc NOT support 802.3af (48v) PoE devices, if your devices state 802.3af PoE, please check our 48v PoE injector ASIN: B077QGTDLB