Description
The XR2 Receiver is a tiny but powerful device designed for 2.4GHz ExpressLRS, featuring an integrated tower antenna that provides excellent reception in its small size. Measuring just 16x12mm and weighing only 0.8g, it easily fits into even the tightest spaces in your build. Powered by the advanced third-generation Semtech LR1121 transceiver, the XR2 is compatible with all ELRS 2.4GHz transmitters and supports DK500Hz mode for LR1121-based systems, ensuring high reliability and quick response. Its built-in Wi-Fi module makes firmware updates and setup simple through a WebUI on your PC or mobile device. With ultra-low latency and high refresh rates, the XR2 is perfect for any project where small size, speed, and accuracy are key.
For more details and support, visit expresslrs.org.

Features
- Integrated 2.4GHz tower antenna
- ExpressLRS 2.4GHz
- ESP32C3 high-performance MCU
- Semtech LR1121 Transceiver
- Secondary UART port for advanced functionality
- Castled pads for easy soldering
Specification
- Item: XR2 Nano 2.4GHz ExpressLRS Receiver
- Type: ISM2.4
- MCU: ESP32C3
- RF Chip: Semtech LR1121
- Antenna: Integrated 2.4GHz Tower Antenna
- Frequency Range: 2.400 - 2.479GHz
- Telemetry Power: 10mW
- Maximum Packet rate: DK500Hz
- Minimum Packet refresh rate: 50Hz
- Working voltage: 5V
- Weight: 0.8g
- Dimension: 16mm * 12mm * 6mm
- Firmware Version: ExpressLRS v3.5.1 pre-installed
- FW Target: RadioMaster XR2 2.4 RX
- Bus interface 1: CRSF
- Bus interface 2: UART







Weight

Dimensions

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Package Includes
- 1 * XR2 Nano 2.4GHz ExpressLRS Receiver
- 1 * CRSF Wire
- 3 * Heat-Shrinkable Tube
- 1 * Manual Card


XR2 Receiver is installed with ExpressLRS as standard.
ExpressLRS is an open-source, high-performance radio control link that delivers exceptional range and low-latency communication using advanced LoRa technology. It's highly customizable and perfect for RC enthusiasts looking for reliability and efficiency.
Pair your ExpressLRS with Radiomaster's top-tier transmitters and receivers. Radiomaster products are designed to maximize the benefits of ExpressLRS, offering state-of-the-art performance for your RC adventures. Upgrade your RC experience with the unbeatable combination of ExpressLRS and Radiomaster—engineered for excellence and tailored for you.
