Ethernet Slip Ring with capsule structure & electric collector ( 2*Gigabit Ethernet ) - China Integrated slip ring, Ethernet slip ring | Made-in-China.com
Amazon.com: SENRING Slip Ring Factory Outlets 1 Channel Gigabit and 2 Wires 5A Power Rotary Joint for Robot or CCTV systerm(1 Channel Gigabit, 2 Wires 5A) : Electronics