Overview
The 1UP Racing Pro-RX FH4 is a compact, high-performance antenna-free 2.4 GHz receiver engineered as a direct replacement for Sanwa FH4 receivers. Developed and validated by 1UP Racing Factory Drivers, it delivers the same reliability and responsiveness expected from premium receivers — at a more affordable price point.
Rigorously tested for consistency and durability, the Pro-RX FH4 is an excellent choice for racers and enthusiasts who demand dependable performance without unnecessary expense.
Key Features
- Antenna-free design for clean installations and reduced damage risk
- Sanwa FH4 compatibility for seamless integration
- Supports Normal, SSR, and SHR channel response modes
- Compact, lightweight form factor for easy chassis fitment
- Proven performance comparable to higher-priced alternatives
Compatibility
- Sanwa EXCES Z / EXCES ZZ
- Sanwa M11X, M12, M12-RS, M12-S, M17
- Sanwa MT-4, MT-44, MT-4S, MT-S
Performance Benefits
- Clean, antenna-free chassis layout
- Reliable signal performance for racing and bashing
- Easy drop-in replacement for FH4 receivers
- Lightweight design helps maintain optimal vehicle balance
Specifications
- Protocol: Sanwa FH4
- Channels: 4
- Input Voltage: 3.5 – 8.4 V
- Weight: 7 g
- Dimensions: 28 × 20.5 × 18.5 mm
Usage Notes
- Bind to your Sanwa transmitter using the included bind plug
- Select Normal, SSR, or SHR mode to match your transmitter and servo setup
- Mount securely using foam tape or a hook-and-loop pad
- Keep the receiver dry and free of debris
What's Included
- (1) 1UP Racing Pro-RX FH4 Receiver
- (1) Bind Plug
- (1) Instruction Manual
- (1) Protective Foam-Lined Case
Summary
- Antenna-free Sanwa FH4-compatible receiver
- Supports Normal, SSR, and SHR response modes
- Compact, lightweight, and race-ready
- Factory-tested performance at a competitive price
- Includes bind plug, manual, and protective case
