Overview
The Futaba R2104GF is a compact 4-channel S-FHSS receiver built for surface RC models where space is limited and weight matters. It delivers stable 2.4GHz signal performance and is well-suited for electric and nitro RC cars or boats that don’t require telemetry.
Key Specifications
| Parameter | Value |
|---|---|
| Modulation | S-FHSS (2.4GHz Spread Spectrum) |
| Channels | 4 channels |
| Voltage Range | 4.8V – 6.0V |
| Size | 39 × 26 × 10 mm (1.54" × 1.02" × 0.39") |
| Weight | 8g (0.28 oz) |
| Compatibility | Futaba S-FHSS/FHSS transmitters |
Notable Features
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No-Nonsense 4-Channel Control: Ideal for setups where simplicity and reliability are key.
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Clean 2.4GHz Performance: S-FHSS ensures responsive, interference-resistant signal locking.
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Compact Footprint: Fits easily into crowded RC car chassis with minimal wiring hassle.
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Surface-Model Focused: Engineered specifically for on-road/off-road cars and boats—no telemetry, no extras, just solid signal performance.
Use Cases
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Entry-level or club racing RC cars
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Compact electric or nitro touring cars
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Hobby-grade trucks and boats needing basic 4-channel input

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