{"product_id":"radiomaster-xr3-2-4ghz-900mhz-dual-band-nano-multi-frequency-expresslrs-receiver","title":"Radiomaster XR3 2.4GHz 900Mhz Dual-band Nano Multi-Frequency ExpressLRS Receiver","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eRADIOMASTER\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eFor Vehicle Type\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eAirplanes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eFour-wheel Drive Attributes\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eAssemblage\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eIs Batteries Included\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNo\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eIs Electric\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNo battery\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eIs it battery\/power supply\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eN\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eIs it charger\/adapter\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eN\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eMaterial\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eComposite Material\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eModel Number\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eRadiomaster XR3\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eRC Parts \u0026amp; Accs\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eRadio Systems\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eRecommend Age\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e14+y\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eRemote Control Peripherals\/Devices\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eRECEIVERS\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eTechnical parameters\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eKV1100\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eTool Supplies\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eBattery\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eUpgrade Parts\/Accessories\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eAdapter\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eUse\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eVehicles \u0026amp; Remote Control Toys\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eWheelbase\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eUpper Shell\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003eThe XR3 Nano Multi-Frequency ExpressLRS Receiver\u003cbr\u003eThe XR3 Receiver is a versatile, ultra-compact ExpressLRS receiver, measuring just 20 x 15mm. Powered by the advanced third-generation Semtech LR1121 transceiver, the XR3 operates seamlessly on 2.4GHz OR Sub-G 900MHz bands. Whether you're flying on 2.4GHz or 900MHz, the XR3 delivers exceptional range and sensitivity in a small, lightweight package — perfect for any build. With the reliability of ExpressLRS, you can focus on flying without worrying about link quality. \u003cbr\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.\u003cbr\u003e\u003cbr\u003eAntenna Diversity\u003cbr\u003eThe XR3 receiver features a Skyworks RFX2401C providing an LNA for improved receiver performance, a PA providing up to 100mW of telemetry performance and antenna switching for antenna diversity.\u003cbr\u003e\u003cbr\u003eTailored to Your Needs\u003cbr\u003eThe XR3 Receiver is available in three configurations, ensuring you have the flexibility to meet your exact requirements: Choose between 2.4GHz, Sub-G 900MHz, or a Dual-Band antenna that allows switching between 2.4Ghz and 900Mhz without an antenna change! All antenna types are available as optional accessories so you can change frequency at a later stage without needing to purchase a new receiver!\u003cbr\u003e\u003cbr\u003eFeatures\u003cbr\u003eAntenna Diversity for improved signal stability and range\u003cbr\u003eExpressLRS 2.4GHz or Sub-G 900MHz\u003cbr\u003eESP32C3 high-performance MCU\u003cbr\u003eSemtech LR1121 Transceiver\u003cbr\u003eAdditional UART port\u003cbr\u003eSecondary port for advanced functionality\u003cbr\u003eCastled pads for easy soldering\u003cbr\u003e\u003cbr\u003eSpecification\u003cbr\u003eItem:  XR3 Nano Multi-Frequency Antenna Diversity ExpressLRS Receiver\u003cbr\u003eType: ISM2.4, FCC915\u003cbr\u003eMCU: ESP32C3\u003cbr\u003eRF Chip: LR1121\u003cbr\u003eRF connector: IPEX-1 X 2\u003cbr\u003eAntenna: 2x T-Antenna (Either 2.4GHz, 900Mhz or Dual-band depending on selected package)\u003cbr\u003eFrequency Range: 2.4GHz \/ Sub-G 900MHz [ISM 2.4GHz \/ FCC915 \/ EU868]\u003cbr\u003eTelemetry Power: 100mw\u003cbr\u003eMaximum receive refresh rate: DK500Hz \/ K1000Hz\u003cbr\u003eMinimum receiver refresh rate: 25Hz\u003cbr\u003eWorking voltage: DC 4.5-8.4V\u003cbr\u003eWeight: 1.3g (without antenna)\u003cbr\u003eDimension: 22mm * 15mm * 4mm\u003cbr\u003eFirmware Version: ExpressLRS v3.5.1 pre-installed\u003cbr\u003eFW Target:  RadioMaster XR3 2.4\/900  Diversity RX\u003cbr\u003eBus interface 1:  CRSF \u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size:11pt;font-family:Calibri\"\u003ePackage Includes\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan style=\"font-size:11pt;font-family:Calibri\"\u003e1 * \u003c\/span\u003e\u003cspan style=\"font-size:10.5pt;font-family:Calibri\"\u003eXR3 Nano Multi-Frequency Antenna Diversity ExpressLRS Receiver\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan style=\"font-size:11pt;font-family:Calibri\"\u003e2 * T Antenna (Either 2.4GHz, 900Mhz or Dual-band depending on selected package)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan style=\"font-size:11pt;font-family:Calibri\"\u003e1 * CRSF Wire\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan style=\"font-size:11pt;font-family:Calibri\"\u003e3 * Heat-Shrinkable Tube\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan style=\"font-size:11pt;font-family:Calibri\"\u003e1 * Manual Card\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S75a330a401494ae1be85e0ea88f7da4dU.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S0563c3fc4e784601afece165904a26d7o.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S8455c40e820545ccb0ebe4df1ebd68c37.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S763c1911eb524f2d8e1490b8380b464aS.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S7f2242f2d8a349aa9ea02f96abcff17ft.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S4d017ad3c8d24dcc9d394950a76bdd5cO.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sde32e3393f174100b595f289ab91c817F.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sfbf19e769db349e98aa2e0e4f2227ccd1.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S3d318bd9037b4d1eb404ab263e1a366e5.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S78d0d3afc85a43e68b47c985dd41815fs.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S56d5d57b72634cef8d65d955df0b4567S.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S1e297d07f4184c11857a1a560dc892daN.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S73f984cfa5d24cc5b52aa1489ada3d75P.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S87e4fcb8ff604ad6b2b7fdbb62cfe53ff.jpg\" slate-data-type=\"image\"\u003e\u003cimg 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