RadioMaster has unveiled its latest innovation in the field of radio receivers—the XR Series, which is based on the advanced LR1121 chipset. This new lineup not only boasts impressive functionalities but also comes at a highly competitive price, making it accessible for enthusiasts and professionals alike. Ian from MadsRC provides an in-depth look at these receivers, breaking down their features, compatibility, and pricing.
Overview of the XR Series Receivers
The XR Series consists of four models: XR1, XR2, XR3, and XR4. Each of these receivers is designed with specific capabilities, catering to various user needs:
- XR1: A dual-band receiver with external antenna capabilities.
- XR2: A compact receiver with an internal antenna, limited to 2.4GHz.
- XR3: A dual antenna diversity receiver, enhancing signal reception.
- XR4: The flagship model that supports true diversity and Gemini X functionality.
Key Features and Specifications
Each receiver in the XR Series is based on the same LR1121 chipset, but they differ in terms of RF behavior:
- XR1:
- Supports dual-band operation (2.4GHz and 868/900MHz).
- Available in three configurations based on antenna choices.
- Specifications: 100mW telemetry power, dimensions 20mm x 13mm x 3mm.
- XR2:
- Designed for 2.4GHz use only, featuring a built-in antenna.
- Smallest in the series, weighing only 0.7 grams.
- Specifications: 10mW telemetry power, dimensions 16mm x 12mm x 6mm.
- XR3:
- Dual antenna diversity receiver for improved reception.
- Same telemetry power as XR1.
- XR4:
- True diversity, dual-band, and Gemini X capable.
- Offers flexibility in antenna configuration.
- Specifications: 100mW telemetry power, compact design.
Compatibility Insights
One of the critical aspects of the XR Series is its compatibility with older ExpressLRS systems. Ian highlights that while these new receivers can work with previous modules, some modes may not be available. The XR4 is particularly noteworthy as it fully supports the Gemini X functionality, which is a significant advancement over older models.
Pricing Structure
Pricing for the XR Series receivers is another attractive feature:
- XR1: Dual-band version at $11.99.
- XR2: Limited to 2.4GHz at $9.99.
- XR3: Dual antenna diversity version at $14.99.
- XR4: The premium model at $19.99.
Conclusion
The RadioMaster XR Series receivers represent a substantial upgrade in the ExpressLRS ecosystem, offering users a range of options to suit their specific needs. With features like dual-band capability, true diversity, and competitive pricing, these receivers are set to become a staple for drone and FPV enthusiasts.
For more detailed information and updates, readers are encouraged to visit the MadsRC YouTube channel.
FAQ
What is the main advantage of the LR1121 chipset?
The LR1121 chipset allows seamless switching between low and high bands without hardware changes, providing flexibility and improved performance.
Are these receivers compatible with older ExpressLRS systems?
Yes, but some modes may not be available when using the new receivers with older modules.
What is Gemini X functionality?
Gemini X functionality allows for enhanced dual-band operations, maximizing the potential of the XR4 receiver.
Where can I buy the XR Series receivers?
The receivers are available for purchase directly from Unmanned Tech, or directly on RadioMaster's website.
