Gigabit PoE Injector, 1 Gigabit Ethernet port input and 1 PoE / PoE+ / PoE++ Gigabit Ethernet port output offer full duplex 2Gbps Ethernet speeds. Ideal for small installations of PoE IP phone, PoE surveillance camera or PoE wireless access point. With Auto-sensing technology, this PoE adapter delivers up to 90W to a PoE++ device with backwards compatibility for 802.3bt/at 4 pair (60w), 802.3at 2 pair (30w) PoE+ device and 802.3af PoE (15.4W) devices.