RadioMaster XR1 Nano ExpressLRS 2.4GHz Multi-Frequency Receiver for FPV Drones

Introduction

The RadioMaster XR1 Nano is a versatile and ultra-compact multi-frequency receiver designed for the demanding world of FPV drones and UAV applications. Operating on the popular 2.4GHz band and utilizing the advanced Semtech LR1121 third-generation transceiver, this receiver delivers exceptional signal range and sensitivity. Its feather-light design makes it an ideal choice for builds where every gram counts, ensuring you can focus on your flight performance without compromising connection quality. Trust in the reliability of ExpressLRS for your critical FPV needs.

Key advantages

• Ultra-Compact Design: Measuring only 20 x 13 mm, it's perfect for small and lightweight drone builds.
• ExpressLRS 2.4GHz: Benefit from the high performance, low latency, and robust connectivity of the ExpressLRS protocol.
• Semtech LR1121 Transceiver: Features a powerful third-generation RF chip for superior range and sensitivity.
• Built-in Wi-Fi: Simplifies configuration and firmware updates through an intuitive web-based interface.
• High RF Telemetry Power: Offers 100 mW of telemetry power for clear feedback from your drone.
• Easy Soldering: Raised pads are included to facilitate easier soldering connections.
• Dual Bus Interface: Supports both CRSF and UART for flexible integration with flight controllers.
• Lightweight Construction: Weighs only 1.0g (without antenna), minimizing impact on drone weight.

Technical specifications

• Product: XR1 Nano ExpressLRS Multi-Frequency Receiver
• Type: ISM2.4
• Microcontroller: ESP32C3
• RF Chip: Semtech LR1121
• RF Connector: IPEX-1
• Antenna: 1x 2.4 GHz T-antenna
• Frequency Band: 2.4 GHz
• RF Telemetry Power: 100 mW
• Max Packet Rate: DK500Hz / K1000Hz
• Min Packet Refresh Rate: 50Hz
• Operating Voltage: 5V
• Weight: 1.0g (without antenna)
• Dimensions: 20x13x3mm
• Software Version: ExpressLRS v3.5.1 pre-installed
• FW Target: RadioMaster XR1 2.4
• Bus Interface 1: CRSF
• Bus Interface 2: UART

Applications

The RadioMaster XR1 Nano receiver is ideally suited for a wide range of FPV applications, including freestyle drones, racing quads, long-range exploration, cinematic UAVs, and any custom drone build where a small, lightweight, and reliable receiver is essential. Its robust performance makes it a top choice for pilots demanding consistent control and signal integrity.

Compatibility

This receiver is compatible with any FPV drone or flight controller that supports the CRSF or UART serial protocols. The integrated ESP32C3 microcontroller and Wi-Fi connectivity allow for easy setup and firmware management with compatible radio transmitters and ground control software. It operates on a standard 5V supply.

FAQ

What is the RadioMaster XR1 Nano receiver?

The RadioMaster XR1 Nano is an ultra-compact, multi-frequency ExpressLRS receiver operating on the 2.4GHz band. It utilizes the Semtech LR1121 transceiver and an ESP32C3 microcontroller, offering excellent range and sensitivity for FPV drones.

What are the key features of the XR1 Nano receiver?

Key features include its small size (20x13mm), built-in Wi-Fi for easy configuration, 100mW RF telemetry power, CRSF and UART interfaces, and a lightweight design weighing only 1.0g.

What applications is the RadioMaster XR1 Nano suitable for?

This receiver is ideal for various FPV drone applications, including freestyle, racing, long-range, and cinematic builds where size and weight are critical factors. Its reliable ExpressLRS connection ensures stable control.

How do I configure the XR1 Nano receiver?

Configuration and firmware updates are simplified thanks to the built-in Wi-Fi. You can access the intuitive user interface via a computer or mobile device to manage settings.

Where can I buy the RadioMaster XR1 Nano receiver with fast delivery?

You can buy the RadioMaster XR1 Nano receiver at HTDRONE. We are based in Poland and offer fast shipping within Poland and reliable worldwide delivery via DHL. Check our shop for the best deals and order today!