Tenda PoE30G-AT is IEEE802.3at Gigabit PoE Injector, fully complies wtih 802.3at standard, it enables to delivery power by Ethernet cable, maximum transfer distance is up to 100 meters. The PoE Injector features over two Ethernet Gigabit data port and a output port combined data and power. Also, the device enables to IEEE802.3af/at-compliant PoE power application for Ethernet device such as wireless AP, VoIP phone and web cam. PoE30G-AT supplies power by Ethernet cable, not only providing system reliability, traditional electric network extension but simplifing electric wires deployment.