RadioMaster XR1 Nano Multi-Frequency ExpressLRS Receiver - Dual Band
by RadioMaster

The RadioMaster XR1 Nano Multi-Frequency ExpressLRS Receiver is a cutting-edge, ultra-compact ExpressLRS receiver, designed to deliver exceptional performance in a small package. Measuring just 20 x 13mm and weighing only 1g (without antenna), the XR1 is ideal for lightweight builds where space is at a premium. It operates on 2.4GHz and 900MHz Sub-G bands, powered by the advanced Semtech LR1121 transceiver, ensuring outstanding range and sensitivity. The ESP32C3 MCU guarantees smooth operation and seamless ExpressLRS functionality.

This receiver is equipped with built-in Wi-Fi for easy configuration and firmware updates via a WebUI accessible from both PC and mobile devices, making setup and management simple and hassle-free. Whether you are flying on the 2.4GHz or 900MHz band, the XR1 Nano offers the flexibility and reliability to enhance your RC experience.

Specifications

• Item: XR1 Nano Multi-Frequency ExpressLRS Receiver
• Type: ISM2.4 or FCC915
• MCU: ESP32C3
• RF Chip: Semtech LR1121
• 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)
• Dimensions: 20mm x 13mm x 3mm
• Firmware Version: ExpressLRS v3.5.1 pre-installed
• Bus Interface 1: CRSF
• Bus Interface 2: UART
• RF Connector: IPEX-1
• Antenna: 1x T-Antenna (Either 2.4GHz, 900MHz, or Dual-band depending on selected package)

Features

• Dual Band: Operates seamlessly on both 2.4GHz and 900MHz Sub-G bands
• High-Performance: Equipped with the ESP32C3 MCU and Semtech LR1121 Transceiver
• Wi-Fi Configuration: Easy-to-use WebUI for setup and firmware updates
• Compact Design: Only 20 x 13mm and weighs just 1g
• Telemetry RF Power: 100mW for strong performance
• Flexible Connectivity: Supports CRSF and UART bus interfaces
• Reliability: Advanced ExpressLRS technology for stable and long-range communication

Package Includes

• 1 * XR1 Nano Multi-Frequency ExpressLRS Receiver
• 1 * T-Antenna (2.4GHz, 900MHz, or Dual-band depending on selected package)
• 1 * CRSF Wire
• 3 * Heat-Shrinkable Tubes
• 1 * Manual Card