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["20250217first","4ghz","900mhz","antenna","band","diversity","Drone_Receiver Frequency-2.4GHz","Drone_Receiver Protocol-ExpressLRS","dual","expresslrs","frequency","multi","nano","receiver"]
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RadioMaster XR3 Nano Multi-Frequency Antenna Diversity ExpressLRS Receiver
RadioMaster XR3 Nano Multi-Frequency Antenna Diversity ExpressLRS Receiver
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.
Please note this is the pre-order. Orders start shipping in March.
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
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
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!
Weight
Dimensions
Associated Products
Package Includes
1 * XR3 Nano Multi-Frequency Antenna Diversity ExpressLRS Receiver
2 * T Antenna (Either 2.4GHz, 900Mhz or Dual-band depending on selected package)
1 * CRSF Wire
3 * Heat-Shrinkable Tube
1 * Manual Card
