RP1 ExpressLRS 2.4ghz Nano Receiver


This receiver is a perfect match for the all the RadioMaster ELRS versions. The V2 version features a TCXO oscillator for better performance, see product description for more information.


The RP1 and RP2 ExpressLRS Nano Receiver (2.4GHz) V2 series are open-source receivers based on ExpressLRS.


The Nano receivers, first developed by Jye Smith from the ExpressLRS development team, features the ESP8285 MCU and SX1280 RF chip. The RP1 has a UFL antenna socket for full-range antenna use. The RP2 has a built-in ceramic antenna which is super light and small in size and ideal for racing.


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!



  • Item: RP1 ExpressLRS Nano Receiver (2.4GHz) V2
  • 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
RadioMaster RP ELRS receiver serie
RP1 ExpressLRS receiver with improved solderpads and antenna

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