Converts a non-PoE Gigabit port to a PoE Gigabit port, Network a PoE device located up to 100 meters (328 ft.) away via Full Duplex Gigabit speeds Raspberry Pi 3B+ can work with this POE injector after installed this PoE hat or micro USB PoE Splitter Up to 24W Power over ethernet Adapter, Backwards compatible IEEE 802.3af PoE (15.4W). Middle-span and end-span This PoE Adapter power your 802.3af compatible devices, with no additional adapter needed. Just plug the network cable(not included) into your network switch and into the "Data In" port, then plug the cable to your device into the "Power & Data Out" port with your existing network cable Compatible all 802.3af PoE power devices like IP camera, IP phone, Wireless IP access point Gateway, Switch, Router and more..