Converts a non-PoE Gigabit port to a PoE Gigabit port and network a PoE device located up to 100 meters (328 ft.) Away. If you have a PoE (802.3af) standard device, and need to use PoE technology to provide it with both network and power. Gigabit Ethernet Speed. This PoE injector equiped with 1 Gigabit Ethernet port input and 1 PoE Gigabit Ethernet port output, which can offer up to 2Gbps full duplex Ethernet speeds.