iCreatin 4 port POE power over ethernet injector Adapter for IP Camera, Access Points and more; Use with External Power Supply for Passive or 802.3af Devices-[External power supply NOT included] Use with external power supply to power up to 4 devices remotely over ethernet wiring up to 328 ft (100 meters) away 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. 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. 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 Compatible with IP Cameras, IP Phones, WiFi Access Points, and 802.3af