RadioMaster RP1 V2 ExpressLRS 2.4GHz Nano Receiver
RP1 V2 ExpressLRS 2.4GHz Nano Receiver is an open-source receiver based on ExpressLRS
The Nano receiver, first developed by Jye Smith of the ExpressLRS development team, is equipped with an ESP8285 MCU and an SX1280 RF chip. The RP1 has a UFL antenna socket for use with a full-band antenna. The RP2 has a built-in ceramic antenna that is super lightweight and small, ideal for FPV racing.

RP1 V2 ExpressLRS 2.4GHz Nano Receiver has built-in WIFI
so you can update the firmware via WIFI and configure the receiver using the built-in WebUI interface on your computer or cell phone.
With a low-latency RF module and high frame rate, the RP1 and RP2 are ideal for FPV racing or long-range drones.
Suitable for Whoop, drones and fixed-wing models due to their light weight and minimal size, these receivers will fit anywhere!


RadioMaster RP1 V2 ExpressLRS 2.4GHz Nano Receiver Specification
Type | ISM |
MCU | EPS8285 |
RF Chip | SEMTECH SX1281 |
Telemetry RF Power | 10mW |
Antenna | 65mm 2.4GHz T Antenna |
Frequency Range | 2.404 - 2.479 Ghz |
Maximum Refresh Rate | 500Hz / F1000Hz |
Minimum Refresh Rate | 25Hz |
Working Voltage | 5V |
Weight | 2.2g (Including antenna) |
Dimensions | 13mm*11mm*3mm |
Firmware Version | ExpressLRS v2.4 pre-installed |
FW Target | RadioMaster RP1/2 2400 RX |
Bus Interface | CRSF |

RadioMaster RP1 V2 ExpressLRS 2.4GHz Nano Receiver Package Includes
- RP1 V2 ExpressLRS 2.4ghz Nano Receiver
- 1x antenna T 65mm UFL 2.4Ghz
- 1x cable set
- 1x shrink tube set
- 1x user manual