{"product_id":"radiomaster-xr3-nano-multi-frequency-antenna-diversity-elrs-receiver","title":"RadioMaster- XR3 Nano Multi-Frequency Antenna Diversity ELRS Receiver","description":"\u003cp\u003eThe XR3 Receiver is a versatile, ultra-compact ExpressLRS receiver measuring just 20 × 15 mm. Powered by the third-generation Semtech LR1121 transceiver, the XR3 operates on either the 2.4 GHz or Sub-G 900 MHz bands. Whether using 2.4 GHz or 900 MHz, the XR3 delivers strong range and sensitivity in a small, lightweight package—well suited for a wide range of builds. With the reliability of ExpressLRS, you can focus on operation without worrying about link quality.\u003c\/p\u003e\n\u003cp\u003eDesigned for convenience, the XR3 features built-in Wi-Fi for effortless configuration and firmware updates. Access and manage settings through an intuitive WebUI on your PC or mobile device with ease.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAntenna Diversity for improved signal stability and range\u003c\/li\u003e\n\u003cli\u003eExpressLRS 2.4GHz or Sub-G 900MHz\u003c\/li\u003e\n\u003cli\u003eESP32C3 high-performance MCU\u003c\/li\u003e\n\u003cli\u003eSemtech LR1121 Transceiver\u003c\/li\u003e\n\u003cli\u003eAdditional UART port\u003c\/li\u003e\n\u003cli\u003eSecondary port for advanced functionality\u003c\/li\u003e\n\u003cli\u003eCastled pads for easy soldering\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSpecification:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eItem:  XR3 Nano Multi-Frequency Antenna Diversity ExpressLRS Receiver\u003c\/li\u003e\n\u003cli\u003eType: ISM2.4 or CE868\u003c\/li\u003e\n\u003cli\u003eMCU: ESP32C3\u003c\/li\u003e\n\u003cli\u003eRF Chip: LR1121\u003c\/li\u003e\n\u003cli\u003eRF connector: IPEX-1 X 2\u003c\/li\u003e\n\u003cli\u003eAntenna: 2x T-Antenna (Either 2.4GHz, 900Mhz or Dual-band depending on selected package)\u003c\/li\u003e\n\u003cli\u003eFrequency Range: 2.4GHz \/ Sub-G 900MHz\u003c\/li\u003e\n\u003cli\u003eTelemetry Power: 100mw\u003c\/li\u003e\n\u003cli\u003eMaximum receive refresh rate: DK500Hz \/ K1000Hz\u003c\/li\u003e\n\u003cli\u003eMinimum receiver refresh rate: 25Hz\u003c\/li\u003e\n\u003cli\u003eWorking voltage: DC 4.5 - 8.4V\u003c\/li\u003e\n\u003cli\u003eWeight: 1.3g (without antenna)\u003c\/li\u003e\n\u003cli\u003eDimension: 22mm * 15mm * 4mm\u003c\/li\u003e\n\u003cli\u003eFirmware Version: ExpressLRS v3.5.1 pre-installed\u003c\/li\u003e\n\u003cli\u003eFW Target:  RadioMaster XR3 2.4\/900  Diversity RX\u003c\/li\u003e\n\u003cli\u003eBus interface 1:  CRSF\u003c\/li\u003e\n\u003cli\u003eBus interface 2: UART\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePackage contains:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1x XR3 Nano Multi-Frequency Antenna Diversity ExpressLRS Receiver\u003c\/li\u003e\n\u003cli\u003e2x T Antenna (Either 2.4GHz, 900Mhz or Dual-band depending on selected package)\u003c\/li\u003e\n\u003cli\u003e1x CRSF Wire\u003c\/li\u003e\n\u003cli\u003e3x Heat-Shrinkable Tube\u003c\/li\u003e\n\u003cli\u003e1x Manual Card\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1013\/9127\/0237\/files\/XR3_Nano_Multi_Frequency_ELRS_Receiver_-_Body_Image_01.png?v=1783936082\" alt=\"\"\u003e\u003c\/p\u003e","brand":"RadioMaster","offers":[{"title":"2.4GHz - LBT","offer_id":65240680563037,"sku":"RAD-00048-088-01","price":29.99,"currency_code":"GBP","in_stock":true},{"title":"Dual-Band LBT","offer_id":65240680595805,"sku":"RAD-00048-088-02","price":29.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1013\/9127\/0237\/files\/XR3NanoMultiFrequencyELRSReceiver-Image02.jpg?v=1783936097","url":"https:\/\/www.3dxr.co.uk\/products\/radiomaster-xr3-nano-multi-frequency-antenna-diversity-elrs-receiver","provider":"3DXR","version":"1.0","type":"link"}