Unifi AP U6 Enterprise, U6 Enterprise In-Wall. 2.5G 48V 30watt Passive PoE Injector. This injector can power 802.3af/802.3at compatible devices without extra adapters. Just plug the network cable(not included) into your network switch and the PoE Injector "LAN" port, then plug the network cable to your device into the "PoE" port with your existing network cable.
eBay