The SBD-1 is a converter for using up to 3 conventional servos (other than S.BUS servo*2) with the S.BUS system.

There are five types of SBD-1 S.BUS Decoders:
◾200 mm (weight 6.9 g)
◾400 mm (weight 10.8 g)
◾600 mm (weight 14.7 g)
◾1100 mm (weight 24.5 g)
◾1600 mm (weight 34.3 g)
◾Plus the SBD-2 S.BUS Decoder unit that can handle up to 8 servos

◾Dimensions: 41.8 x 12.3 x 8.4 mm (excluding the wires)
◾Power requirement: Ni-Cd, Ni-MH 4 to 5 cells equivalent battery (Futaba)
◾Operating Temperature Range: -10 to +45°C