{"product_id":"radiomaster-xr2-elrs-receiver","title":"Radiomaster XR2 Nano 2.4GHz ExpressLRS Receiver","description":"\u003cdiv\u003eRadiomaster XR2 Nano 2.4GHz ExpressLRS Receiver Tower Antenna LR1121 Transceiver Built-in Wi-Fi Module\u003cbr\u003e\n\u003cbr\u003e\n\u003cdiv\u003e\u003cimg cke-id=\"img40\" referrerpolicy=\"no-referrer\" slate-data-type=\"image\" src=\"https:\/\/ae01.alicdn.com\/kf\/H024c9482c13a40e5996464b5a206c1eeK.jpg?width=710\u0026amp;height=24\u0026amp;hash=734\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv\u003e \u003c\/div\u003e\n\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan style=\"font-size:16px\"\u003e\u003cstrong\u003eThe XR2 Receiver: Nano 2.4GHz ExpressLRS Receiver\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size:16px\"\u003e\u003cbr\u003e\n\u003cbr\u003e\nThe XR2 Receiver is a nano  sized powerhouse engineered for 2.4GHz ExpressLRS, featuring an integrated tower antenna that delivers exceptional reception within its ultra-compact design. With a footprint of just 16x12mm and a lightweight of only 0.8g, it fits seamlessly into even the most space-constrained builds. Driven by the advanced Semtech LR1121 transceiver (third generation), the XR2 offers compatibility with all ELRS 2.4GHz transmitters and unlocks the benefits of DK500Hz mode for LR1121-based systems, ensuring unparalleled reliability and responsiveness. The built-in Wi-Fi module simplifies firmware updates and configuration via a WebUI on your PC or mobile device. With ultra-low latency and high refresh rates, the XR2 stands out in Whoops, micro drones, and fixed-wing models, where every gram and millimeter counts for peak performance.\u003cbr\u003e\nFor more details and support, visit expresslrs.org.\u003c\/span\u003e\u003cbr\u003e\n\u003cbr\u003e\n\u003cspan style=\"font-size:16px\"\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size:16px\"\u003e\u003cbr\u003e\nIntegrated 2.4GHz tower antenna\u003cbr\u003e\nExpressLRS 2.4GHz\u003cbr\u003e\nESP32C3 high-performance MCU\u003cbr\u003e\nSemtech LR1121 Transceiver\u003cbr\u003e\nSecondary UART port for advanced functionality\u003cbr\u003e\nCastled pads for easy soldering\u003c\/span\u003e\u003cbr\u003e\n\u003cbr\u003e\n\u003cspan style=\"font-size:16px\"\u003e\u003cstrong\u003eSpecification: \u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size:16px\"\u003e\u003cbr\u003e\nItem: XR2 Nano 2.4GHz ExpressLRS Receiver\u003cbr\u003e\nType: ISM2.4\u003cbr\u003e\nMCU: ESP32C3\u003cbr\u003e\nRF Chip: Semtech LR1121\u003cbr\u003e\nAntenna: Integrated 2.4GHz Tower Antenna\u003cbr\u003e\nFrequency Range: 2.400 - 2.479GHz\u003cbr\u003e\nTelemetry Power: 10mW\u003cbr\u003e\nMaximum Packet rate: DK500Hz\u003cbr\u003e\nMinimum Packet refresh rate: 50Hz\u003cbr\u003e\nWorking voltage: 5V\u003cbr\u003e\nWeight: 0.8g\u003cbr\u003e\nDimension: 16mm * 12mm * 6mm\u003cbr\u003e\nFirmware Version: ExpressLRS v3.5.1 pre-installed\u003cbr\u003e\nFW Target:  RadioMaster XR2 2.4 RX\u003cbr\u003e\n\u003cbr\u003e\nBus interface 1: CRSF  \u003cbr\u003e\nBus interface 2: UART\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp class=\"MsoNormal\"\u003e\u003cspan style=\"font-size:16px\"\u003e\u003cstrong\u003e\u003cspan style=\"font-family:Calibri\"\u003ePackage Includes\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp class=\"MsoNormal\"\u003e\u003cspan style=\"font-size:16px\"\u003e\u003cspan style=\"font-family:Calibri\"\u003e1 * XR2 Nano 2.4GHz ExpressLRS Receiver\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp class=\"MsoNormal\"\u003e\u003cspan style=\"font-size:16px\"\u003e\u003cspan style=\"font-family:Calibri\"\u003e1 * CRSF Wire\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp class=\"MsoNormal\"\u003e\u003cspan style=\"font-size:16px\"\u003e\u003cspan style=\"font-family:Calibri\"\u003e3 * Heat-Shrinkable Tube\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp class=\"MsoNormal\"\u003e\u003cspan style=\"font-size:11pt;font-family:Calibri\"\u003e\u003cspan style=\"font-size:16px\"\u003e1 * Manual Card\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-size:11pt;font-family:Calibri\"\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003cbr\u003e\n\u003c\/p\u003e\n\u003cdiv\u003e\u003cimg cke-id=\"img41\" referrerpolicy=\"no-referrer\" slate-data-type=\"image\" 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