EXPRESSLRS 2.4GHZ PWM RECEIVER, R24-P6
1. Product Summary
1.1. Product Description
The Matek ExpressLRS 2.4 GHz PWM Receiver (model ELRS-R24-P6) is a compact 6-channel receiver based on the ExpressLRS open-source long-range protocol. It converts the digital CRSF signal into standard PWM outputs, allowing direct connection to servos, ESCs, or other PWM-based systems. Designed for fixed-wing aircraft, FPV planes, and UAVs, the R24-P6 combines low latency, excellent range, and telemetry feedback in a small and lightweight form factor.
1.2. Product Features
- Operates on the 2.4 GHz ISM band (2400 – 2480 MHz).
- Powered by ESP8285 MCU and SX1281 RF chip.
- 6 independent PWM output channels for servos or ESCs.
- Voltage-sensing pad (VBat) supports up to 34 V monitoring.
- Supports telemetry functions via the CRSF protocol.
- Compact size and ultralight weight — perfect for FPV and fixed-wing aircraft.
- IPEX MHF-1 antenna connector for flexible installation.
- Input voltage: 4 – 9 V DC (external power required).
- Firmware upgradable via ExpressLRS Configurator (Generic ESP8285 6×PWM target).
2. Technical Specifications
Table 2-1. ELRS-R24-P6 Receiver Specifications
| Parameter | Specification |
|---|---|
| Frequency Band | 2.4 GHz ISM (2400 – 2480 MHz) |
| MCU / RF Chipset | ESP8285 + SX1281 |
| Protocol | ExpressLRS (Open-source long-range system) |
| Output Channels | 6 × PWM outputs |
| Telemetry | Supported (via CRSF) |
| VBat Sensing | 0 – 34 V (max) |
| Input Voltage | 4 – 9 V DC (on “+” pad) |
| Power Consumption | 45 mA (normal) / 85 mA (Wi-Fi mode) |
| Antenna Connector | IPEX MHF-1 |
| Dimensions | Approx. 20 mm × 18 mm |
| Weight | ≈ 2 g (with antenna) |
| Firmware Target | Generic ESP8285 6×PWM 2.4 GHz RX |
3. Applications
- Fixed-Wing Aircraft: Direct servo control via PWM channels with long-range ELRS link.
- FPV Drones and Gliders: Ideal for PWM-controlled flight systems and aerodynamic surfaces.
- UAV and Industrial Platforms: Reliable low-latency signal transmission with telemetry support.
- Retrofit Projects: Integrate modern ELRS communication into legacy PWM systems.
4. Installation & Usage Notes
- Provide a regulated 4 – 9 V power supply to the “+” pad (no internal BEC available).
- Connect servos or ESCs to PWM output pins (CH1 – CH6).
- Use the “VBat” pad for battery voltage telemetry (up to 8S LiPo / 34 V max).
- Bind the receiver to the ExpressLRS transmitter using the standard binding procedure.
- Ensure the antenna is mounted away from carbon fiber or metal structures for maximum range.
- Firmware updates and configuration are done via the ExpressLRS Configurator or UART interface.
5. Integration Recommendations
- Perfect for fixed-wing and glider pilots who require legacy PWM control with modern ELRS link.
- Mount the receiver away from high-current ESC lines to avoid RF interference.
- Use twisted or shielded servo wires for clean signal transmission.
- Ensure clean power input — noise on the power line may affect telemetry stability.
- Check antenna orientation and secure connector to maintain signal strength during flight.
6. Practical Summary
The Matek ELRS-R24-P6 is a professional-grade 2.4 GHz PWM receiver designed for long-range and low-latency control applications. With six independent PWM outputs, battery voltage telemetry, and ExpressLRS protocol compatibility, it offers a seamless bridge between modern digital radio systems and traditional PWM-based hardware. Its compact size, lightweight design, and firmware upgrade capability make it an ideal choice for FPV pilots and UAV engineers seeking reliable signal performance.
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