Radiomaster RP3-H ExpressLRS Receiver

19.00 $



Radiomaster RP3-H Overview

Engineered for seamless integration with Radiomaster Nexus Helicopter Flybarless control unit and compatible with all CRSF/S.BUS enabled flight controllers, the Radiomaster RP3-H ExpressLRS Receiver (ELRS receiver) boasts a built-in TCXO and a durable integrated housing, making it ideal for mounting in helicopter frames. This receiver ensures dependable, stable, and precise signal reception, elevating your flight experience and delivering exceptional performance even in rigorous conditions. Moreover, the RP3-H is equipped with an Ext-V telemetry input, ensuring compatibility with older ESCs that lack battery voltage telemetry through the control unit.

The Radiomaster RP3-H receiver incorporates the Skyworks SKY66112 power amplifier to enhance telemetry performance. This amplifier provides up to 100mw of telemetry power and supports antenna diversity through antenna switching. Built around the ESP8285 MCU and SX1281IMLTRT RF Chip, it offers Lora and FLRC 2.4GHz RF links, delivering exceptional range and low latency. With built-in WiFi, firmware updates can be conducted directly on your craft without needing to remove the receiver.


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Additional information

Weight 0.350 kg
Dimensions 6 × 5.5 × 4 cm



RP3-H ExpressLRS 2.4GHz Nano Receiver
Type ISM
RF Chip
Antenna 150mm 2.4GHz Antenna x2
Frequency Range 2.404 – 2.479 GHz
Maximum receive Refresh Rate 500Hz/F1000Hz
Minimum receiver Refresh Rate
Telemetry RF Power Max. 100mW
Working voltage DC 4.5 – 8.4V
Weight 5.1g (Including two antenna)
Dimension 28mm*24mm*8mm
Firmware Version ExpressLRS V3.3.1 pre-installed
FW Target RadioMaster RP3-H Diversity 2400 RX
Bus interface CRSF/S.Bus
Battery voltage detection range DC 4.0 – 35V

Product contents

Package Includes

  • 1 x RP3-H ExpressLRS 2.4GHz Nano Receiver
  • 2 x 150mm IPX1 2.4GHz T Antenna (installed)
  • 1 x JST-GH CRSF 4 wire Pigtail
  • 1 x JST-GH 4 wire to JST-GH CRSF cable
  • 1 x JST-GH 4 wire to single Servo pin (single dupont connectors)
  • 1 x Voltage telemetry wire
  • 1 x Quick start guide



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