Overview
The HPI Racing RF-51 is a compact 4-channel 2.4GHz receiver designed to pair seamlessly with the HPI TF-51 series transmitters. Featuring crystal-free Frequency-Hopping Spread Spectrum (FHSS) technology, the RF-51 provides interference-free control and quick, reliable binding for hassle-free RC driving with friends.
Its compact 35x26x17mm form factor and ultra-light 13-gram weight ensure it won't affect your vehicle's balance, while the silicone-jacketed PCB inside a hardcase outer delivers true waterproof protection — perfect for driving in mud, rain, and snow.
Key Features
- 4-channel 2.4GHz FHSS digital receiver
- Waterproof silicone-jacketed PCB inside hardcase shell
- Crystal-free 2.4GHz technology — no frequency conflicts
- Ultra-compact 35x26x17mm size
- Lightweight at just 13 grams
- Adjustable built-in signal-loss failsafe
- Built-in light controller channel for headlights/taillights (with HPI 4-way LED adapter)
- Simple bind-and-drive operation
Performance Benefits
- Run multiple HPI vehicles together without frequency conflicts
- Waterproof construction enables true all-weather driving
- Failsafe protection prevents runaways if signal is lost
- Compact size fits virtually any electric RC build
Usage Notes
- Pairs with HPI 2.4GHz TF-51 series transmitters
- Ideal for electric RC vehicles with 6V 35mA minimum BEC power input
- Best used with electric platforms — RF-51N is recommended for nitro/gas vehicles
- Bind to your transmitter following HPI's binding procedure
Technical Specs
- Frequency: 2.4GHz FHSS
- Channels: 4
- Dimensions: 35 x 26 x 17mm
- Weight: 13g
- Minimum BEC Input: 6V / 35mA
- Waterproof: Yes (silicone jacket + hardcase)
- Failsafe: Adjustable signal-loss failsafe
- Compatible Transmitters: HPI TF-51 series
What's Included
- (1) HPI RF-51 4-Channel 2.4GHz Receiver
Fitment
- HPI Racing RC vehicles using TF-51 series transmitters
- Compatible electric RC platforms with adequate BEC power
Summary
A compact, lightweight, waterproof 4-channel 2.4GHz receiver paired perfectly with HPI's TF-51 transmitters — built for all-weather RC driving with reliable bind-and-drive operation.
