Download User XR3 User Manual

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

Packages:

• 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