The new MikroTik Gigabit PoE adapter for powering any RouterBOARD over Gigabit Ethernet. Simply connect your power source and then use an ethernet cable to connect the injector to the RouterBOARD device. Helps reducing number of wires that lead up the tower. For using with any RouterBOARD that supports 18-57V; PIN 4,5 18-57V; PIN 7,8 RETURN. The GPOE has shielded connectors.