This is the Futaba SBD-1 43" (1100mm) S.Bus Decoder. FEATURES: SBD Link software determines which channel each servo responds to- preventing mismatched servo-channel connections Three servo outputs that can be programmed to specific channels Compatible with standard analog and digital servos as well as programmable S.Bus servos One year limited warranty through manufacturer beginning at date of purchase INCLUDES: Futaba SBD-1 43" (1000mm) S.Bus Decoder with Instruction Sheet REQUIRES: Connecting to servo connection port of the SBC-1 Channel Setting Tool and following instructions SPECS: Total Length: 43" (1000mm) Servo Lead Length: 3.1" (79mm) jxs 06/10/10 ir/jxs