This is the Futaba SBD-1 63" (1600mm) 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
INCLUDES: Futaba SBD-1 63" (1600mm) 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: 63" (1600mm)
Servo Lead Length: 3.1" (79mm)