Radiomaster XR3 2.4GHz 900Mhz Dual-Band Nano Multi-Frequency ExpressLRS Receiver (2 x Dual-Band Antenna)

Features Antenna Diversity for improved signal stability and range ExpressLRS 2.4GHz or Sub-G 900MHz ESP32C3 high-performance MCU Semtech LR1121 Transceiver Additional UART port Secondary port for advanced functionality Castled pads for easy soldering Specification Item: XR3 Nano Multi-Frequency Antenna Diversity ExpressLRS Receiver Type: ISM2.4, FCC915 MCU: ESP32C3 RF Chip: LR1121 RF connector: IPEX-1 X 2 Antenna: 2x T-Antenna (Either 2.4GHz, 900Mhz or Dual-band depending on selected package) Frequency Range: 2.4GHz / Sub-G 900MHz Telemetry Power: 100mw Maximum receive refresh rate: DK500Hz / K1000Hz Minimum receiver refresh rate: 25Hz Working voltage: DC 4.5-8.4V Weight: 1.3g (without antenna) Dimension: 22mm * 15mm * 4mm Firmware Version: ExpressLRS v3.5.1 pre-installed FW Target: RadioMaster XR3 2.4/900 Diversity RX Bus interface 1: CRSF Bus interface 2: UART Package Includes 1 * XR3 Nano Multi-Frequency Antenna Diversity ExpressLRS Receiver 2 * T Antenna (Either 2.4GHz, 900Mhz or Dual-band depending on selected package) 1 * CRSF Wire 3 * Heat-Shrinkable Tube 1 * Manual Card

• The XR3 Nano Multi-Frequency ExpressLRS Receiver- ​The 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.
• ​Designed for convenience, the XR3 features built-in WiFi for effortless configuration and firmware updates. Access and manage settings through an intuitive WebUI on your PC or mobile device with ease.
• ​Antenna Diversity -The 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.
• ​Tailored to Your Needs -The 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!
• Antenna: 2x T-Antenna (Either 2.4GHz, 900Mhz or Dual-band depending on selected package)