Compatible with IP Cameras, IP Phones, WiFi Access Points, and 802.3af. Power Supply not included - for 802.3af devices use a 48v supply, Mikrotik uses 24v, Ubiquiti needs 24v or 48v, OpenMesh needs 24v or 48v. 10/100M operation. Standard Ethernet uses 2 of the 4 pairs, passive POE uses unused pins 4/5 for plus power, and 7/8 for ground. Add PoE ability to any Ethernet switch or router. Use this device and External power supply to inject power into the CAT-5, CAT-6 or CAT-7 cable. Use with external power supply to power up to 4 devices remotely over ethernet wiring up to 328 ft (100 meters) away.