Gigabit High Power PoE+ Extender Repeater 1 x 30 W,IEEE 802.3at/af Power over Ethernet (PoE+/PoE), metal. Extends an existing PoE connection beyond the 100m (328-ft.) limit Max PD output power 24.6 W when using one PoE extender @ 200 m (656 ft.) combined cable length 20 W when using two PoE extenders @ 300 m (984 ft.) combined cable length 16.2 W when using three PoE extenders @ 400 m (1312 ft.) combined cable length 12.5 W when using four PoE extenders @ 500 m (1640 ft.) combined cable length 8.6 W when using five PoE extenders @ 600 m (1968 ft.) combined cable length Input power: IEEE 802.3af/at compliant PSE