RadioMaster XR1 Nano Multi-Frequency ExpressLRS Radio Receiver

The RadioMaster XR1 Nano Multi-Frequency ExpressLRS Receiver is a compact and versatile receiver designed for FPV drones. It supports both 2.4GHz and Sub-G 900MHz bands, providing excellent range and signal stability. With its lightweight design, built-in Wi-Fi for easy firmware updates, and high-performance Semtech LR1121 transceiver, the XR1 Nano ensures reliable connectivity and low latency, making it ideal for demanding flight conditions.

FEATURES:

• Telemetry RF power: 100mW
  
• ESP32C3 high-performance MCU
  
• Semtech LR1121 2.4GHz & Sub-G 900MHz Transceiver
  
• Secondary UART port
  
• Castled pads for easy soldering

COMPATIBILITY:

• Radio Transmitter/Controller with ELRS Protocol (2.4GHz and/or 900MHz)
  * ExpressLRS 2.4GHz or Sub-G 900MHz
  

SPECIFICATIONS:

• Type: ISM2.4 or FCC915
  
• MCU: ESP32C3
  
• RF chip: Semtech LR1121
  
• RF connector: IPEX-1
  
• Antenna: T-Antenna 2.4GHz/900Mhz Dual-band
  
• 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

HELPFUL LINKS:

• XR1 User Manual

INCLUDES:

(1) XR1 Nano Multi-Frequency ExpressLRS Receiver
(1) T-Antenna (2.4GHz/900Mhz Dual-band)
(1) CRSF Wire
(3) Heat-Shrink Tubes
(1) Manual Card