


Details
Description
The XR3 Receiver is a tiny ExpressLRS receiver, powered by the third-generation Semtech LR1121 transceiver. It operates on 2.4GHz or Sub-G 900MHz, offering exceptional range and connectivity in a lightweight design. With built-in Wi-Fi, configuration and firmware updates are effortless via an intuitive WebUI on your PC or mobile device.
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Features
- High-Performance MCU
- Advanced Transceiver
- Additional UART Port
- Frequency Options
- Antenna Diversity
- Secondary Port
- Castled Pads

Specifications
- Frequency Range: 2.4GHz / Sub-G 900MHz [ISM 2.4GHz / FCC 915 / EU 868]
- Item: XR3 Nano Multi-Frequency Antenna Diversity ExpressLRS Receiver
- Firmware Target: RadioMaster XR3 2.4/900 Diversity RX
- Maximum Receive Refresh Rate: DK500Hz / K1000Hz
- Firmware Version: ExpressLRS v3.5.1 pre-installed
- Minimum Receiver Refresh Rate: 25Hz
- Dimensions: 22mm x 15mm x 4mm
- Antenna: 2x T-Antenna (Dual Band)
- Working Voltage: DC 5.0 - 12.6V
- Weight: 1.3g (without antenna)
- Telemetry Power: 100mW
- RF Connector: IPEX-1 x 2
- Type: ISM 2.4, FCC 915
- Bus Interface 2: UART
- Bus Interface 1: CRSF
- RF Chip: LR1121
- MCU: ESP32C3
Includes
- 1x RadioMaster XR3 Nano Multi-Frequency ELRS 2.4GHz/900MHz Dual-Band Diversity Receiver
- 2x Dual Band T-Antenna
- 3x Heat-Shrinkable Tube
- 1x Manual Card
- 1x CRSF Wire
More Info
- SKU: 22851
- Barcode: 723326370137