Futaba SBD-2 S-Bus 8 Channel Servo Decoder (P-SBD-2)This Futaba S Bus decoder is designed to decode the digital S Bus signal from a Futaba S Bus receiver and convert it to give 8 conventional outputs allowing the use of standard, non S Bus servos. Channel selection is by the rotary switch on the SBD 2. A separate battery pack may be used to power all of the servos connected to the unit if required.