Ultra-compact 2.4GHz ELRS receiver with integrated tower antenna
The RadioMaster XR2 Nano is a high-performance, ultra-compact receiver designed for 2.4GHz ExpressLRS systems. Featuring an integrated tower antenna and weighing only 0.8g, it's perfect for space-constrained builds like micro drones and fixed-wing models. With the advanced Semtech LR1121 transceiver and ESP32C3 MCU, it offers exceptional reliability, low latency, and up to DK500Hz packet rates. Built-in Wi-Fi enables easy firmware updates via WebUI.
Key Features
● Integrated 2.4GHz tower antenna for optimal reception
● ExpressLRS 2.4GHz protocol support
● Semtech LR1121 transceiver and ESP32C3 MCU
● Built-in Wi-Fi for firmware updates via WebUI
● Ultra-low latency with DK500Hz mode support
● Compact size: 16×12×6mm; weight: 0.8g
Technical Specifications
● Frequency Range: 2.400 – 2.479GHz
● Telemetry Power: 10mW
● Packet Rate: DK500Hz (max), 50Hz (min)
● Working Voltage: 5V
● Firmware: ExpressLRS v3.5.1 pre-installed
● Bus Interfaces: CRSF, UART
Package Contents
● 1× XR2 Nano 2.4GHz ExpressLRS Receiver
● 1× CRSF Wire
● 3× Heat-Shrink Tubes
● 1× Manual Card
FAQ
Frequently Asked Questions about RadioMaster XR2 Nano 2.4GHz ExpressLRS Receiver