Free UK Delivery on orders over £99*
Product Specifications
Product Details
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 (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
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.
Package contains:
- 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

Payment & Security
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Delivery & Returns
UK Delivery Options
Free UK Standard Delivery on orders over £99* (excluding certain items such as batteries).
(Typically delivered next working day, subject to courier collection cut-off times.)
- Royal Mail Tracked 24 – Next working day delivery for orders placed by 16:00 (4pm). Fully tracked.
- DHL Express Next Day – Next working day delivery for orders placed by 13:30 (1:30pm). Fully tracked.
- *Free delivery excludes batteries, oversized items, and remote UK areas such as the Highlands due to courier surcharges.
International Delivery Options
- DHL Express (Air) – Fast delivery to most European countries (often next day). Same-day dispatch for orders placed by 13:30 (1:30pm) UK time. Fully tracked.
- DHL Economy (Road) – Cost-effective alternative to Express, suitable for non-urgent orders. Fully tracked.
UK Returns
Unused items in original condition can be returned within 14 days for refund or 30 days credit refund.
Please refer to the full Returns Policy for further details Returns Policy – 3DXR
International and B2B Returns
Please refer to the full Returns Policy for further details Returns Policy – 3DXR
All returns must be authorised by 3DXR before being sent back. Please email info@3dxr.co.uk to request confirmation.
FAQs
Contact us by email at info@3dxr.co.uk with any questions you have about this product.
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