RadioMaster XR1 Multi-Frequency ExpressLRS Reciever
SKU: 40071249526

RadioMaster XR1 Multi-Frequency ExpressLRS Reciever

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Description

RadioMaster XR1 Multi-Frequency ExpressLRS RecieverThe XR1 Receiver is a versatile, ultra compact ExpressLRS receiver, measuring just 20 x 13mm. Powered by the advanced third generation Semtech LR1121 transceiver, the XR1 operates seamlessly on 2. 4GHz OR Sub G 900MHz bands. Whether youre flying on 2. 4GHz or 900MHz, the XR1 delivers exceptional range and sensitivity in a small, lightweight package perfect for any build. With the reliability of ExpressLRS, you can focus on flying without worrying

The XR1 Receiver is a versatile, ultra-compact ExpressLRS receiver, measuring just 20 x 13mm. Powered by the advanced third-generation Semtech LR1121 transceiver, the XR1 operates seamlessly on 2.4GHz OR Sub-G 900MHz bands. Whether you’re flying on 2.4GHz or 900MHz, the XR1 delivers exceptional range and sensitivity in a small, lightweight package — perfect for any build. With the reliability of ExpressLRS, you can focus on flying 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

Specifications

  • Item: XR1 Nano Multi-Frequency  ExpressLRS Receiver
  • Type: ISM2.4 or FCC915
  • MCU: ESP32C3
  • RF chip: Semtech LR1121
  • RF connector: IPEX-1
  • Antenna: 1x T-Antenna (Either 2.4GHz, 900Mhz or Dual-band depending on selected package)
  • 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 2.4Ghz and 900Mhz 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!

 

Includes

  • 1x XR1 Nano Multi-Frequency ExpressLRS Receiver
  • 1x T Antenna (Either 2.4GHz, 900Mhz or Dual-band depending on selected package)
  • 1x CRSF wire
  • 3x Heat-Shrinkable Tube
  • 1x Manual Card

 

 

 

 

 

 

 

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Shipping Notes
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 40071249526

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Verified Purchase
John Stryker Meyer
Waukegan, US
★★★★★ 5
Election fraud in America and 72 other countries documented
Format: Paperback
Powerful book on election fraud that should be read by every American and 72 other countries that had their elections also fixed. I salute award-winning author Ralph Pezzullo's courage and determination.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 9, 2026
P
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P. Henke
Pawtucket, US
★★★★★ 5
Proof that our election systems have been corrupted!
Format: Paperback
This is the book that Election Corruption Deniers don't want you to read. It is well documented and it brings the receipts. I admire the tenacity and sacrifice of those who made this book possible. If you are at all concerned about election integrity, you need to buy this book.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 12, 2026
D
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Donald H. Wacome
San Leandro, US
★★★★★ 4
Crucial information
Format: Paperback
Provides crucial information about election fraud, but badly in need of a competent editor.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 25, 2026
R
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R.W.
Draper, US
★★★★★ 5
It's quite obvious there's a problem internationally with electronic voting systems.
Format: Paperback
Anyone giving this less than 4 stars is trolling, there are a few typo's in the book but the information is important because it outlines the fraud and election stealing that has occurred in over 72 Countries according the whistle blower evidence outlined in the book from 12 Venezuelan whistle blowers involved in the creation of the source code used in our voting systems in All swing states and even non swing states like VA and NJ These 12 were taken into protective custody that worked directly in the creation of this source code that triggers during flash card transfers from Machine to location for uploading to the SOS and places like Edison. This is also used in conjunction with ES&S and after it's done the flash cards are destroyed eliminating any trace of fraud or audit ability to the process. Everyone needs to read this, and demand we remove any electronic voting device or machine from all precincts in order to have fair elections paper ballot and voter ID are a must.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 5, 2026
F
Verified Purchase
For Freedom
Draper, US
★★★★★ 5
All Americans need to read this!
Format: Paperback
Every American should read this timely book before the mid term elections! This is part of the evidence Tulsi Gabbard, in her role as Director of National Intelligence (DNI), referred to when she said during a Cabinet meeting with President Donald Trump in April 2025 that "we have evidence of how these electronic voting systems have been vulnerable to hackers for a very long time, and vulnerable to exploitation to manipulate the results of the votes being cast." She made the remarks while advocating for a nationwide transition to paper ballots to restore public confidence in election integrity.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 4, 2026

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