Radiomaster XR1 Nano Multi-Frequency ExpressLRS Receiver

The XR1 Nano Multi-Frequency ExpressLRS receiver features a built-in TCXO (temperature compensated crystal oscillator) that provides reliable, stable and accurate signal reception for superior performance in challenging environments. Using 0402 components, the XR1 ExpressLRS receiver also has excellent vibration resistance.

Features:

RF telemetry power: 100 mW

Support ExpressLRS 2.4GHz or Sub-G 900MHz

High performance microcontroller ESP32C3

Transceiver Semtech LR1121 2.4GHz & Sub-G 900MHz

Additional UART port

Lead pads for easy soldering

Specifications:

Item Name: XR1 Nano Multi-Frequency ExpressLRS Receiver

Type: ISM2.4 or FCC915

Microcontroller (MCU): ESP32C3

RF chip: Semtech LR1121

RF connector: IPEX-1

Antenna: 1x T-antenna (2.4GHz, 900Mhz or dual-band, depends on the selected package)

Frequency range: 2.4GHz or Sub-G 900MHz

Telemetry power: 100mW

Maximum packet rate: DK500Hz/K1000Hz

Minimum Receiver Refresh Rate: 50Hz

Operating voltage: 5V

Weight: 1.0g (without antenna)

Dimensions: 20mm*13mm*3mm

Firmware version: ExpressLRS v3.5.1 (pre-installed)

Firmware target: RadioMaster XR1 2.4/900 RX

Bus interface 1: CRSF

Bus interface 2: UART

Equipment:

1 x XR1 Nano Multi-Frequency ExpressLRS Receiver

1 x T-antenna (2.4GHz, 900Mhz or dual-band, depending on the type selected)

1 x CRSF wire

3 x Heat shrink tube

1 x Instruction card