RadioMaster RP3-H ELRS 2.4G Nano Receiver - Precision FPV Drone & Helicopter Receiver

Introduction

The RadioMaster RP3-H ELRS 2.4G Nano Receiver is an advanced receiver designed for demanding FPV and helicopter modeling applications. It offers unparalleled signal stability and precision, crucial for dynamic flights and complex maneuvers. Designed to work with the Nexus Helicopter Flybarless control unit and any flight controller supporting CRSF/S.BUS protocols, this receiver guarantees top performance. The integrated TCXO ensures temperature stability, and the robust casing protects the electronics. Features like antenna diversity and a powerful signal amplifier (PA) significantly increase range and reliability, providing excellent flight experiences even in challenging radio conditions.

Key advantages

• Optimized for helicopter applications and serial receiver needs, requiring a durable, integrated design.
• Convenient plug-and-play connection and configuration with Nexus Heli controllers and CRSF/S.BUS protocol compatibility.
• Improved heat dissipation through optimized PCB design ensures stable long-term operation.
• Increased reception range thanks to the integrated LNA signal amplifier.
• Excellent telemetry range up to 100mW due to PA amplification.
• Enhanced signal stability and range with antenna diversity technology.
• High precision and reliability thanks to the built-in TCXO (temperature-compensated oscillator).
• Hassle-free firmware updates via built-in Wi-Fi, without needing to disassemble the model.

Technical specifications

• Product: RP3-H ExpressLRS 2.4GHz Nano Receiver
• Type: ISM
• MCU: ESP8285
• RF Chip: SX1281
• Telemetry Power: Max. 100 mW
• Antenna: 2 x 150mm 2.4GHz antenna
• Frequency Range: 2.404 - 2.479 GHz
• Max Receiver Refresh Rate: 500Hz / 1000Hz
• Min Receiver Refresh Rate: 25Hz
• Operating Voltage: DC 4.5 - 8.4V
• Battery Voltage Detection Range: DC 4.0 - 35V
• Weight: 5.1g (with antennas)
• Dimensions: 28mm * 24mm * 8mm
• Firmware Version: ExpressLRS v3.3.1 pre-installed
• FW Target: RadioMaster RP3-H Diversity 2400 RX
• Bus Interface: CRSF/S.BUS

Applications

This receiver is an ideal choice for FPV drone racing, freestyle flying, professional UAV operations, aerial photography, and advanced helicopter control systems. Its durable construction and extended range make it perfect for long-range flights and demanding aerial maneuvers.

Compatibility

The receiver is fully compatible with all ExpressLRS 2.4GHz modules and transmitters with built-in ExpressLRS 2.4GHz. It supports CRSF/S.BUS bus interfaces. It features an Ext-V telemetry input for older ESCs. It works with Nexus Helicopter Flybarless units.

FAQ

What makes the RadioMaster RP3-H ELRS 2.4G Nano Receiver ideal for helicopters?

The RP3-H is specifically designed for helicopter applications requiring a serial receiver in a durable, integrated casing. It features built-in TCXO for stability and antenna diversity for reliable signal reception, crucial for precise helicopter control.

What is the maximum telemetry range of the RadioMaster RP3-H?

The RadioMaster RP3-H receiver utilizes the Skyworks SKY66112 power amplifier, providing telemetry power up to 100mW. This guarantees a strong and stable telemetry connection with your transmitter.

Can I update the firmware on the RadioMaster RP3-H receiver?

Yes, the RP3-H receiver has built-in Wi-Fi, enabling easy firmware updates directly on the device without needing to disassemble it. This keeps your receiver up-to-date with the latest ExpressLRS features.

What flight controllers and transmitters is the RadioMaster RP3-H compatible with?

The RP3-H is compatible with all flight controllers supporting CRSF/S.BUS protocols, including the Nexus Helicopter Flybarless unit. It also works seamlessly with all ExpressLRS 2.4GHz modules and transmitters equipped with a built-in ExpressLRS 2.4GHz module.

Where can I buy the RadioMaster RP3-H ELRS 2.4G Nano Receiver with fast delivery?

You can order the RadioMaster RP3-H ELRS 2.4G Nano Receiver from HTDRONE, your specialized FPV parts store in Poland. We offer fast international DHL delivery, ensuring your parts arrive quickly.