Tenda 30W Gigabit Ethernet PoE+ Injector Adapter, 802.3at & 802.3af Compliant (POE30G-AT) Power supply: 30 (max. 48VDC) expands network to areas with No power lines or outlets Ideal for use with access points and IP cameras Delivers power up to 100 meters (328 feet) Gigabit Ethernet Ports for lightning-fast wired speeds Converts a non-PoE Gigabit port to a PoE+ or PoE Gigabit port