Futaba Remote Control Receiver R6DM SB
https://www.rc-corona.com/
CORONA 2.4GHz Spread Spectrum FASST Compatible Receiver is designed to use with FUTABA FASST 2.4GHz transmitters, such as TM7, TM8, TM10, TM14 or T6EX-2.4G, 7C-2.4G, 8FG, 10CG, 12FG. The model R8FA has 8 channels and its specification is as below.