Radiomaster XR3 Nano Multi-Frequency Antenna Diversity ExpressLRS Receiver – Dual Band
Introducing the RadioMaster XR3 Nano, a revolutionary ExpressLRS receiver that offers unprecedented flexibility and performance in an ultra-compact package. Powered by an advanced third-generation Semtech LR1121 transceiver, the XR3 is a multi-frequency marvel, capable of operating on either the 2.4GHz or Sub-G 900MHz bands. Combined with antenna diversity and a powerful LNA/PA, this is the one nano receiver for any FPV drone build.
The Ultimate in Flexibility: 2.4GHz or 900MHz
The core of the XR3 is its ability to adapt to your mission. The cutting-edge LR1121 RF chip allows this single receiver to be flashed with firmware to operate on either the high-speed 2.4GHz band for racing and freestyle, or the long-range 900MHz band for ultimate penetration and distance. This means one receiver can be configured for any FPV drone or purpose, offering incredible value and versatility.
Robust Performance with Diversity & LNA/PA
The XR3 is engineered for a rock-solid link. It features:
- Antenna Diversity: Two antennas and an RF switch constantly select the best signal, reducing dropouts and enhancing reliability.
- LNA (Low-Noise Amplifier): Improves receiver sensitivity, helping it “hear” your transmitter’s signal more clearly from further away.
- PA (Power Amplifier): Provides up to 100mW of telemetry power for a strong, long-range data link back to your radio.
Tailored to Your Needs
To get you started on your chosen frequency, the XR3 is available in several configurations. You can purchase it bundled with 2.4GHz antennas, 900MHz antennas, or the innovative new Dual-Band T-antennas which allow you to switch operating frequency in the firmware without ever changing the antennas on your FPV drone!
Future-Proof Hardware
With a powerful ESP32C3 MCU and the latest Semtech RF chip, the XR3 is ready for the future of ExpressLRS. It supports the newest high-speed packet rates like DK500 and K1000Hz, ensuring this drone part will remain at the cutting edge of RC link performance for years to come.
Specifications
- Brand: RadioMaster
- Model: XR3 Nano Diversity Receiver
- MCU: ESP32C3
- RF Chip: Semtech LR1121
- Frequency Bands: 2.4GHz or Sub-G 900MHz (Firmware Selectable)
- Telemetry RF Power: Max 100mW
- Features: Antenna Diversity, PA+LNA, WiFi Updates
- Input Voltage: DC 4.5V – 8.4V
- Weight: 1.3g (without antenna)
- Dimensions: 22mm x 15mm x 4mm
What’s in the Box?
- 1x XR3 Nano Multi-Frequency ELRS Receiver
- 2x T-Antennas (2.4GHz, 900MHz, or Dual-Band depending on selected package)
- 1x CRSF Wire
- 3x Heat-Shrinkable Tubes
- 1x Manual Card
Check out all of our RadioMaster products, and all of our Radio Receivers and modules!
