RadioMaster XR2 Nano 2.4GHz ExpressLRS Receiver
RadioMaster XR2 Nano 2.4GHz ExpressLRS Receiver The 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. For more details and support, visit expresslrs.org. Features Integrated 2.4GHz tower antenna ExpressLRS 2.4GHz ESP32C3 high-performance MCU Semtech LR1121 Transceiver Secondary UART port for advanced functionality Castled pads for easy soldering Specification Item: XR2 Nano 2.4GHz ExpressLRS Receiver Type: ISM2.4 MCU: ESP32C3 RF Chip: Semtech LR1121 Antenna: Integrated 2.4GHz Tower Antenna Frequency Range: 2.400 - 2.479GHz Telemetry Power: 10mW Maximum Packet rate: DK500Hz Minimum Packet refresh rate: 50Hz Working voltage: 5V Weight: 0.8g Dimension: 16mm * 12mm * 6mm Firmware Version: ExpressLRS v3.5.1 pre-installed FW Target: RadioMaster XR2 2.4 RX Bus interface 1: CRSF Bus interface 2: UART Weight Dimensions Associated Products XR1 Nano Multi-Frequency ExpressLRS Receiver XR3 Nano Multi-Frequency ExpressLRS Receiver XR4 Gemini Xrossband Dual-Band ExpressLRS Receiver 2.4GHz / Sub-G 900MHz Dual-Band T Antenna UFL 2.4Ghz T Antenna 65mm/95mm for ELRS Receivers UFL 915/868MHz T & Y Antenna for BR Series Receivers Package Includes 1 * XR2 Nano 2.4GHz ExpressLRS Receiver 1 * CRSF Wire 3 * Heat-Shrinkable Tube 1 * Manual Card