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 refucing number of wires that lead up the tower. Power over spare pairs is used to power and communicate with 10/100/1000 Mbps devices. For using with any RouterBOARD that supports 9-48V PoE.