Futaba Compatible Receiver R4FA
https://www.rc-corona.com/
CORONA 2.4GHz Spread Spectrum H-FHSS Compatible Receiver is designed to use with FUTABA H-FHSS 2.4GHz transmitters, such as 3PM,3PKS,3VCS,3GR,4PK(S),TM7, TM8, TM10, TM14 or T6EX-2.4G , 7C-2.4G, 8FG, 10CG, 12FG. The receiver R6FA consists of one screwdriver + one receiver with two antennas. The color of the packing is orange and black. The models R14FA R8FA R6FA R4FA have same package.