This is a TB16PP 6-port terminal connecting box for S.BUS and S.BUS2 servos and accessories in the Futaba S.BUS system.
You may connect a receiver or S.BUS/S.BUS2 servo to any of the 6 ports.Included:
◦Terminal box with 6-ports
◦100 mm long S.BUS/S.BUS extension cable