Radiomaster XR1 Nano Multi-Frequency Dual-Band ExpressLRS Receiver

The XR1 Receiver is a versatile, ultra-compact ExpressLRS receiver measuring just 20 × 13 mm. Powered by the third-generation Semtech LR1121 transceiver, the XR1 operates on either the 2.4 GHz or Sub-G 900 MHz bands. Whether using 2.4 GHz or 900 MHz, the XR1 delivers strong range and sensitivity in a small, lightweight package—well suited for a wide range of builds. With the reliability of ExpressLRS, you can focus on operation without worrying about link quality.

Designed for convenience, the XR1 features built-in Wi-Fi for effortless configuration and firmware updates. Access and manage settings through an intuitive WebUI on your PC or mobile device with ease.

Features

·       Telemetry RF power: 100mW

·       ExpressLRS 2.4GHz or Sub-G 900MHz

·       ESP32C3 high-performance MCU

·       Semtech LR1121 2.4GHz & Sub-G 900MHz Transceiver

·       Secondary UART port

·       Castled pads for easy soldering

Specification

·       Item: XR1 Nano Multi-Frequency  ExpressLRS Receiver

·       Type: ISM2.4 or CE868

·       MCU: ESP32C3

·       RF chip: Semtech LR1121

·       RF connector: IPEX-1

·       Antenna: 1x T-Antenna (Dual-band)

·       Frequency Range: 2.4GHz or Sub-G 900MHz

·       Telemetry Power: 100mW

·       Maximum Packet rate: DK500Hz / K1000Hz

·       Minimum Packet refresh rate: 50Hz

·       Working voltage: 5V

·       Weight: 1.0g (without antenna)

·       Dimension: 20mm * 13mm * 3mm

·       Firmware Version: ExpressLRS v3.5.1 pre-installed

·       FW Target:  RadioMaster XR1 2.4/900 RX

·       Bus interface 1: CRSF

·       Bus interface 2: UART

Tailored to Your Needs

The XR1 Receiver is available in three configurations, ensuring you have the flexibility to meet your exact requirements: Choose between 2.4GHz, Sub-G 900MHz, or a Dual-Band antenna that allows switching between 2.4 GHz and 900 MHz without an antenna change! All antenna types are available as optional accessories so you can change frequency at a later stage without needing to purchase a new receiver!

Weight

Dimensions

Package Includes

·       1 * XR1 Nano Multi-Frequency ExpressLRS Receiver

·       1 * T Antenna (Dual-Band)

·       1 * CRSF wire

·       3 * Heat-Shrinkable Tube

·       1 * Manual Card

XR1 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.