RadioMaster XR3 Nano Multi-Frequency Antenna Diversity ExpressLRS Receiver

£29.99 Inc. VAT

A Nano Multi-Frequency ExpressLRS Receiver with antenna diversity. It’s compatible with ExpressLRS 2.4GHz and Sub-G 900MHz. Please select antenna type to match your transmitter requirement.

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Description

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The XR3 Receiver is a versatile, ultra-compact ExpressLRS receiver, measuring just 20 x 15mm. Powered by the advanced third-generation Semtech LR1121 transceiver, the XR3 operates seamlessly on 2.4GHz OR Sub-G 900MHz bands. Whether you’re flying on 2.4GHz or 900MHz, the XR3 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 XR3 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.

For more details and support, visit expresslrs.org.

Antenna Diversity

The XR3 receiver features a Skyworks RFX2401C providing an LNA for improved receiver performance, a PA providing up to 100mW of telemetry performance and antenna switching for antenna diversity.

Tailored to Your Needs

The XR3 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!

Features

  • Antenna Diversity for improved signal stability and range
  • ExpressLRS 2.4GHz or Sub-G 900MHz
  • ESP32C3 high-performance MCU
  • Semtech LR1121 Transceiver
  • Additional UART port
  • Secondary port for advanced functionality
  • Castled pads for easy soldering

XR3 AXR3 BXR3 CXR3 DXR3 ELR1121 Frequency ChartELRS Dual Band Compatibility Chart

XR3 SizeXR3 WeightAssociated Products

Specification
  • Item:  XR3 Nano Multi-Frequency Antenna Diversity ExpressLRS Receiver
  • Type: ISM2.4, FCC915
  • MCU: ESP32C3
  • RF Chip: LR1121
  • RF connector: IPEX-1 X 2
  • Antenna: 2x T-Antenna (Either 2.4GHz, 900Mhz or Dual-band depending on selected package)
  • Frequency Range: 2.4GHz / Sub-G 900MHz
  • Telemetry Power: 100mw
  • Maximum receive refresh rate: DK500Hz / K1000Hz
  • Minimum receiver refresh rate: 25Hz
  • Working voltage: DC 5.0 – 12.6v
  • Weight: 1.3g (without antenna)
  • Dimension: 22mm * 15mm * 4mm
  • Firmware Version: ExpressLRS v3.5.1 pre-installed
  • FW Target:  RadioMaster XR3 2.4/900  Diversity RX
  • Bus interface 1:  CRSF
  • Bus interface 2: UART

Included:

  • 1 x XR3 Nano Multi-Frequency Antenna Diversity ExpressLRS Receiver
  • 2 x T Antenna (Either 2.4GHz, 900Mhz or Dual-band depending on selected package)
  • 1 x CRSF Wire
  • 3 x Heat-Shrinkable Tube
  • 1 x Manual Card
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Shipping

SHIPPING & DELIVERY

We are based in the UK, but ship to most worldwide destinations. Postage rates are calculated by the size/weight and shipment location. We process orders Monday to Friday and pride ourselves on our quick turnaround of orders - most UK orders will arrive the next day.

We are partnered with several delivery companies including Royal Mail, DHL, UPS and Parcel Force. If you have a special delivery requirement or would like to arrange a shop collection please contact us.

A confirmation email will be sent when your order has been dispatched. If you wish to change your order, please contact us promptly, as we won't be able to make amendments once the order has been shipped.

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Shipping to the UK

  • Order before 4PM for same day dispatch with Royal Mail, 2PM for next day delivery with DHL and 1PM for next day delivery with APC.
  • We offer FREE Shipping on UK orders over £99, weighing less than 1kg.
  • The courier options deliver Monday to Friday, Royal Mail delivers to residential addresses on Monday to Saturday.

For small low value orders our cheapest delivery service is Royal Mail First Class. For a guaranteed next day delivery we recommend Royal Mail Special Delivery or one of our courier delivery options.

International Postage

  • Order before 4PM for same day dispatch with Royal Mail.
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  • DHL Express offers NEXT DAY delivery to most European destinations and a very fast delivery for countries further afield, generally 2-3 days.

Orders shipped outside the EU may be subject to customs charges. These charges are additional to any delivery costs and will need to be paid by the recipient.