RadioMaster XR1 Nano ExpressLRS ELRS Receiver 2.4GHz/900MHz/Dual Band Multi-Frequency Receiver for Radiomaster Pocket Boxer TX16S Radio

The XR1 Receiver is a versatile, ultra-compact ExpressLRS receiver, measuring just 20 x 13mm. Powered by the advanced third-generation Semtech LR1121 transceiver, the XR1 operates seamlessly on 2.4GHz OR Sub-G 900MHz bands. Whether you’re flying on 2.4GHz or 900MHz, the XR1 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 XR1 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.

Specification：
Brand: RadioMaster
Item Name: XR1 Nano ExpressLRS Receiver
Type: ISM_2.4 or FCC_915
MCU: ESP32C3
RF Chip: Semtech LR1121
RF Connector: IPEX-1
Antenna: 1x T-Antenna (Either 2.4GHz, 900Mhz or Dual-band Depending on Selected Package)
Frequency Range: 2.4GHz or Sub-G 900MHz
Telemetry Power: 100mW
Maximum Packet rate: DK500Hz /K1000Hz
Minimum Packet Refresh Rate: 50Hz
Working Voltage: 5V
Weight: 1.0g (Without Antenna)
Dimension: 20mm*13mm*3mm
Firmware Version: ExpressLRS v3.5.1 Pre-installed
FW Target: RadioMaster XR1 2.4/900 RX
Bus Interface 1: CRSF
Bus Interface 2: UART

Feature：
* Telemetry RF power: 100mW

* ExpressLRS 2.4GHz or Sub-G 900MHz

* ESP32C3 high-performance MCU

* Semtech LR1121 2.4GHz & Sub-G 900MHz Transceiver

* Secondary UART port

* Castled pads for easy soldering

Tailored to Your Needs The XR1 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!

Package included:
1 * XR1 Nano Multi-Frequency ExpressLRS Receiver 1 * T Antenna (Either 2.4GHz, 900Mhz or Dual-band depending on selected package) 1 * CRSF wire 3 * Heat-Shrinkable Tube 1 * Manual Card