Please do not connect 24V PoE device to this Injector,or else it will burn your device.
eg. UAP-AC-LR and UAP-AC-LITE

It is not compatible with Cisco air-ap2802i-E-k9.

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.
For 2.5G AP, HD IP Camera or IP Phone, etc.
eg. unifi AP U6 Enterprise, U6 Enterprise In-Wall

This Adapter support 10/100/1000Mbps/2.5G gigabit ethernet connection, RJ45 PoE port using 4,5,7,8 pin as power transfer, Please do not connect any device that does not support the "PoE" port, this will damage your device.

This is an 802.3af/802.3at compatible device, but it does NOT include the 802.3af/802.3at compliant detection feature. It supplies power NO MATTER WHAT, don't plug the "PoE" side into anything that isn't ready for it.
Compatible all 802.3af/802.3at PoE power device as Wireless Access Point(AP), IP Phone, IP camera, Gateway , Switch, or More.....
Specification:
Compatible Standards: 802.3af and 802.3at
Compatible 10/100/1000mbps/2.5 gigabit Ethernet
CAT5 Ethernet Pin Usage: Data: 1,2,3,4,5,6,7,8 Power: +(4,5),-(7,8)
LED: Power
Voltage Input: AC 100-240 V 50/60Hz
Voltage Output: DC48V 0.625A 30watt
Dimension : 83 x 47 x 55mm
Weight -- 87g

Item Included:
2.5G Gigabit 48V PoE Injector Adapter x1