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Futaba 4GRS 2.4GHz 2 Stick R304SB TFHSS Telemetry [FUTK4220]

4GRS 2.4GHz 2 Stick R304SB TFHSS Telemetry





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Futaba brand Futaba T-FHSS 4GRS 2.4GHz 2-Stick 4-Channel Radio
with the R304SB 4-Channel Telemetry Receiver
Servos Not Included


  • Ideal for crawlers, scale racers, competition boaters and racers
  • Dual ESC mixing for locking diffs, four wheel steering and
  • Independent brake mixing are ideal for extreme off-roading
  • External voltage, temperature, and RPM display (sensors not included
  • And must be purchased separately)
  • Gyro mixing, and programmable mixing
  • S.Bus2
  • MC link function
  • 40 model memory with 10 character model naming
  • Anti-skid braking system (ABS)
  • Throttle speed, cut, acceleration, EXP, and neutral selection
  • (5:5/7:3)
  • Jog dial button layout for easy menu navigation
  • Fail safe on all channels
  • Steering speed and EXP
  • Dual rate, idle up and EPA (End Point Adjustment)
  • Function select dial/switch
  • Data transfer
  • Timer (up/down/lap)
  • Throttle and steering stick tension and angle adjustments
  • Ball bearing equipped throttle and steering sticks
  • One year limited warranty though Hobby Services beginning at date of
  • Purchase

In the Package:

  • 4GRS Transmitter
  • R304SB 4-Channel Telemetry Receiver, FUTL7680
  • On/Off Switch Harness


  • Transmitter;
  • Power Requirement: Four AA dry cell batteries (6V)
  • Current Drain: 150mA or less
  • Transmission Antenna: 1/2 di-pole
  • Receiver;
  • Power Requirement: 4.8 - 7.4V battery (dry cells cannot be used)
  • Receiving Frequency: 2.4GHz
  • System: T-FHSS (auto detection) with SBUS2 port
  • 1.38 x 0.91 x 0.33 (35.1 x 23.2 x 8.5mm)
  • Weight: 0.23oz (6.6g)


  • AA Batteries: Four for transmitter
  • Servos of modeler's choice


  • Optional sensors include;
  • SBS-01V External Voltage Sensor, FUTM0855
  • SBS-01RM Magnetic RPM Sensor, FUTM0852
  • SBS-01TE EP Temp Sensor, FUTM0856
  • For the optional NiMH Transmitter Battery, order FUTM1482
  • For the optional throttle ratchet spring, call Futaba Support
Radio StyleStick
Receiver IncludedYes

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