This is the Futaba R3008SB T-FHSS 2.4GHz S.Bus2 8/32 channel receiver.
Includes: Futaba R3008SB T-FHSS 2.4GHz Receiver with Dual Diversity (two) Antennas and Instructions
Size: 0.98 x 1.86 x 0.56 (24.9 x 47.3 x 14.3mm)
Weight: 0.36oz (10.1g)
Power Requirement: 4.8-7.4V
Battery F/S Voltage: Sets up with a transmitter
Extra Voltage Port: 0 ~ 70V DC
Note: Not compatible with S-FHSS/FHSS/FASST/FASSTest systems.