Sub-1GHz RF Modules (XLN-RF-C)

The XLN-RF-868-A and XLN-RF-C modules are ultra-low power RF modules operating in the 868 MHz SRD band, including either a integrated PCB antenna (XLN-RF-868-A) or a U.FL connector for an external antenna.

Thanks to their small footprint and their easy-to-use interface, integration of RF connectivity into your design is quick and seamless, reducing time-to-market of RF-enabled products.



Ultra low power sub-1GHz RF module with integrated microcontroller & U.FL connector


  • 868 MHz SRD band
  • Up to 500 kbps data rate
  • U.FL connector for external antenna
  • Ultra-low power STM32L0 microcontroller
  • Simple control with AT command set
  • SWD interface for custom firmware development by the user
  • SPI, USART, I2C and USB interfaces, up to 16 GPIO pins and up to 6 analog pins (ADC)
  • Real-time clock (RTC)
  • CE (R&TTE) certified
  • RoHS compliant



  • Compact design: 14 x 21 x 2.45 mm
  • 1.8 – 3.6V single supply
  • Power consumption: 22 mA (Tx @ +11 dBm), 8 mA (Tx @ -7 dBm), 11 mA (Rx)
  • 32-MHz Cortex-M0+ microcontroller with 64 kB Flash memory (STM32L0 series)


Technical documents:


Application note:


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