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Description
Product Description:
The XR2 Receiver is an ultra-compact, high-performance 2.4GHz ExpressLRS receiver, engineered for maximum efficiency in micro builds, Whoops, and fixed-wing models. Featuring a built-in tower antenna, it delivers excellent reception in a tiny 16×12mm footprint, weighing just 0.8g.
Powered by the advanced Semtech LR1121 transceiver, the XR2 supports DK500Hz mode, offering ultra-low latency and reliable link performance for ELRS pilots seeking top-tier responsiveness. The integrated Wi-Fi module enables easy firmware updates and configuration through a WebUI—no cables required.
Key Features:
Integrated 2.4GHz tower antenna for compact, high-gain reception
ExpressLRS 2.4GHz protocol support
High-performance ESP32C3 MCU
Advanced Semtech LR1121 transceiver (3rd gen)
Secondary UART port for expanded connectivity
Castled solder pads for easy and secure wiring
Specifications:
Product: XR2 Nano 2.4GHz ExpressLRS Receiver
Type: ISM 2.4GHz
MCU: ESP32C3
RF Chip: Semtech LR1121
Antenna: Integrated 2.4GHz Tower Antenna
Frequency Range: 2.400 – 2.479GHz
Telemetry Power: 10mW
Max Packet Rate: DK500Hz
Min Packet Refresh Rate: 50Hz
Operating Voltage: 5V
Weight: 0.8g
Dimensions: 16mm × 12mm × 6mm
Firmware Version: ExpressLRS v3.5.1 (pre-installed)
Firmware Target: RadioMaster XR2 2.4 RX
Bus Interfaces:
– CRSF
– UART
Packages
1 * XR2 Nano 2.4GHz ExpressLRS Receiver
1 * CRSF Wire
3 * Heat-Shrinkable Tube
1 * Manual Card
