XR1 Nano Multi-Frequency Receiver for ELRS Protocol

The XR1 Receiver is a versatile, ultra-compact ExpressLRS receiver, measuring just 20 x 13mm. Powered by the advanced third-generation Semtech LR1121 transceiver, the XR1 operates seamlessly on 2.4GHz OR Sub-G 900MHz bands. Whether you’re flying on 2.4GHz or 900MHz, the XR1 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. Designed for convenience, the XR1 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. For more details and support, visit expresslrs.org. Please note this is the pre-order. Orders start shipping at the end of January 2025. Features Telemetry RF power: 100mW ExpressLRS 2.4GHz or Sub-G 900MHz ESP32C3 high-performance MCU Semtech LR1121 2.4GHz & Sub-G 900MHz Transceiver Secondary UART port Castled pads for easy soldering Specification Item: XR1 Nano Multi-Frequency  ExpressLRS Receiver Type: ISM2.4 or FCC915 MCU: ESP32C3 RF chip: Semtech LR1121 RF connector: IPEX-1 Antenna: 1x T-Antenna (Either 2.4GHz, 900Mhz or Dual-band depending on selected package) Frequency Range: 2.4GHz or Sub-G 900MHz Telemetry Power: 100mW Maximum Packet rate: DK500Hz / K1000Hz Minimum Packet refresh rate: 50Hz Working voltage: 5V Weight: 1.0g (without antenna) Dimension: 20mm * 13mm * 3mm Firmware Version: ExpressLRS v3.5.1 pre-installed FW Target:  RadioMaster XR1 2.4/900 RX Bus interface 1: CRSF Bus interface 2: UART Tailored to Your Needs The XR1 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! Weight Dimensions Associated Products XR2 Nano 2.4GHz 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 Includes 1 * XR1 Nano Multi-Frequency ExpressLRS Receiver 1 * T Antenna (Dual-band) 1 * CRSF wire 3 * Heat-Shrinkable Tube 1 * Manual Card