PoE Extender Gigabit Ethernet 1-Port copper 10/100/1000 Base-Tx IEEE802.3af to 1-Port copper Gigabit Ethernet 10/100/1000 Base-Tx IEEE802.3at (1x 30W PoE - up to 300m). Autonomous or wall mounting. Working temperature: 0 to 50ºC. It does not need power supply.