The Futaba High R2104GF High Voltage 2.4Ghz S-FHSS 4-Channel Receiver is compatible with Futaba FHSS and S-FHSS transmitters.

NOTE: This receiver is NOT compatible with 2.4GHz FASST or FASSTest systems. It will work with FHSS and T-FHSS transmitters, but the transmitter mode will need to be changed to from T-FHSS/FHSS to S-FHSS mode.

Specifications:
High Voltage: 3.5V-8.4V
Dimensions: 1.54x1.02x0.39" (39x26x10mm)
Number of Ports: 5
PWM Output: 4
SBUS Ports: 0
SBUS2 Ports: 0
FASST: No
Telemetry: No
S-FHSS: Yes
High Speed: Yes
High Voltage: Yes
Connector: J (STND)
Range: Full Range

NOTE: This receiver is NOT compatible with 2.4GHz FASST or FASSTest systems. It will work with FHSS and T-FHSS transmitters, but the transmitter mode will need to be changed to from T-FHSS/FHSS to S-FHSS mode.