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RadioMaster RP1 ExpressLRS 2.4ghz Nano Receiver


Product Description

The RP1 2.4GHz ELRS nano series receivers is an open-source receiver based on ExpressLRS.

The Nano receivers, first developed by Jye Smith from the ExpressLRS development team, feature ESP8285 MCU and SX1280 RF chip. The RP1 has a UFL antenna socket for full-range antenna use.

The RP1 and RP2 feature WIFI built in so you can upgrade firmware by WIFI and configure the Receiver via the built-in WebUI with your PC or mobile phone.

Due to the low-latency and high-refresh-rate RF module, the RP1 and RP2 are ideal for FPV races or Long Range. Suitable for Whoops, drones, and fixed-wing models due to the ultra-light and Nano size, these receivers can fit just about anywhere!


  • Improved PCB design is better for heat dissipation.

  • Upgraded rigid antenna with greater durability and performance.

  • LED on the top side of PCB.

  • Solder pads are improved and easier to solder to.


  • Item: RP1 Nano ExpressLRS 2.4ghz Receiver

  • Type: ISM

  • Antenna: 65mm 2.4ghz T Antenna

  • Maximum receive refresh rate: 500Hz / F1000Hz

  • Minimum receiver refresh rate: 25Hz

  • Working voltage: 5v

  • Weight: 2.2g (Including antenna)

  • Dimension: 13mm*11mm*3mm

  • Firmware Version: ExpressLRS v2.4 pre-installed

  • FW Target: RadioMaster RP1/2 2400 RX

  • Bus interface: CRSF 

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