RadioMaster XR1 Nano Multi-Frequency ExpressLRS Receiver
- Exact Model RadioMaster XR1 Nano Multi-Frequency ExpressLRS Receiver
- Frequency Options 2.4GHz, Sub-G 900MHz or Dual-Band antenna package; FCC/LBT variants where applicable
- Core Hardware ESP32-C3 MCU and Semtech LR1121 transceiver with Wi-Fi WebUI
- Performance 100mW telemetry; DK500Hz / K1000Hz maximum packet rate
- Power & Interfaces 5V input; CRSF plus secondary UART; IPEX-1 antenna connector
- Size & Weight 20×13×3mm; 1.0g without antenna
- Product Summary Ultra-compact LR1121 receiver configurable for 2.4GHz, Sub-G 900MHz or a dual-band antenna package.
| Brand | Radiomaster |
|---|---|
| Frequency Options | 2.4GHz, Sub-G 900MHz or Dual-Band antenna package; FCC/LBT variants where applicable |
| Core Hardware | ESP32-C3 MCU and Semtech LR1121 transceiver with Wi-Fi WebUI |
| Performance | 100mW telemetry; DK500Hz / K1000Hz maximum packet rate |
| Power & Interfaces | 5V input; CRSF plus secondary UART; IPEX-1 antenna connector |
| Size & Weight | 20×13×3mm; 1.0g without antenna |
RADIOMASTER / PRODUCT SPOTLIGHT
RadioMaster XR1 Nano Multi-Frequency ExpressLRS Receiver
Ultra-compact LR1121 receiver configurable for 2.4GHz, Sub-G 900MHz or a dual-band antenna package.
Product overview
RadioMaster XR1 Nano Multi-Frequency ExpressLRS Receiver is a radio receiver from Radiomaster. Ultra-compact LR1121 receiver configurable for 2.4GHz, Sub-G 900MHz or a dual-band antenna package.
Verify this exact model and revision against the requirements of your aircraft or radio system; visually similar alternatives can have different hardware specifications.
Model-specific features
2.4GHz, Sub-G 900MHz or Dual-Band antenna package; FCC/LBT variants where applicable
ESP32-C3 MCU and Semtech LR1121 transceiver with Wi-Fi WebUI
100mW telemetry; DK500Hz / K1000Hz maximum packet rate
5V input; CRSF plus secondary UART; IPEX-1 antenna connector
20×13×3mm; 1.0g without antenna
Technical specifications
| Frequency Options | 2.4GHz, Sub-G 900MHz or Dual-Band antenna package; FCC/LBT variants where applicable |
|---|---|
| Core Hardware | ESP32-C3 MCU and Semtech LR1121 transceiver with Wi-Fi WebUI |
| Performance | 100mW telemetry; DK500Hz / K1000Hz maximum packet rate |
| Power & Interfaces | 5V input; CRSF plus secondary UART; IPEX-1 antenna connector |
| Size & Weight | 20×13×3mm; 1.0g without antenna |
Radio-link compatibility
For a reliable control link, confirm ExpressLRS frequency band, supported transmitter module, receiver firmware, antenna type, supply voltage and output interface. PWM servo receivers and serial CRSF nano receivers serve different wiring requirements. Check region and binding settings before flight.
Do not substitute a similar-looking model without confirming its mechanical and electrical compatibility.
Choose the exact variant
The specifications above refer to RadioMaster XR1 Nano Multi-Frequency ExpressLRS Receiver. Compare frequency options, core hardware, performance, power & interfaces with your existing hardware before ordering.
- Verify the model revision and product-specific connector or mount.
- Check compatibility with your flight controller, RF system or motor.
- Confirm pack contents and additional parts required for installation.
- Follow the manufacturer's instructions and test safely before flight.
Radiomaster
Explore the technology behind your next build.
Discover Radiomaster
RadioMaster designs radio-control hardware for hobby pilots and FPV builders, including transmitters, receiver modules and accessories built around modern control links. The range covers compact portable radios as well as feature-rich controllers with configurable switches, sticks and supported radio systems.
Radio selection is about ergonomics and the complete signal chain. ExpressLRS band, internal module version, receiver protocol, external module support and firmware configuration all affect compatibility. A well-matched radio offers comfortable control while leaving room to grow into a broader set of aircraft.
Before buying a RadioMaster transmitter or accessory, check the exact edition, region and radio protocol, plus the batteries or charging arrangement that specific model uses. Choosing the right receiver and updating firmware carefully are essential steps in a dependable setup.
Shipping Information
- Dubai Deliveries: Free one-day delivery within Dubai on business days, with an option for cash on delivery.
- UAE Deliveries: Delivery to other Emirates outside Dubai is available for a flat fee of AED 35, with an estimated delivery time of 2–3 business days. Please contact our team to check availability.
- International Deliveries: Shipping to GCC countries, the Middle East, and Africa is available upon prior arrangement with our support team due to varying import regulations. Customs, clearance fees, and taxes are the buyer's responsibility. For international shipping of additional accessories, all shipping costs, customs duties, and related fees will also be borne by the buyer.
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- Exact Model RadioMaster ER3 PRO PWM Dual-Band Gemini-X ExpressLRS Receiver
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