Sub-1 GHz 868 MHz RF expansion board based on S2-LP radio for STM32 Nucleo.
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Countries adapted for RC1, RC3


The X-NUCLEO-S2868A2 expansion board is based on the S2-LP radio and operates in the 868 MHz ISM frequency band.

The expansion board is compatible with ST morpho and Arduino UNO R3 connectors.

The X-NUCLEO-S2868A2 interfaces with the STM32 Nucleo microcontroller via SPI connections and GPIO pins. You can change some of the GPIOs by mounting or removing the resistors.

Downloadable resources
  • x-nucleo-s2868a2.pdf
  • x-nucleo-s2868a2.pdf

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Technical Details

AT Commands

Compatible with AT commands: No

Embedded Software

Kit Type: Extension (shield, etc)

Development Platform(s): Arduino, Custom

External antenna

A connector for an external antenna is available

This Dev Kit Embeds:


To activate your Sigfox subscription included with your kit, please visit backend.sigfox.com/activate


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