TRENDnet's 8-Port Gigabit GREENnet PoE+ Switch model TPE-TG81g reduces equipment and installation costs by delivering data and power over existing Ethernet cables. This unmanaged switch offers eight Gigabit PoE+ ports which supply up to 30 watts of power per port for devices such as high power wireless access points PTZ (Pan / Tilt / Zoom) internet cameras and VoIP telephony systems.