Arduino.cc released a new Arduino board called MKRFOX1200.
The main components are Microchip SAMD21 (32bit ARM Cortex M0+) and IoT chip ATA8520 (Single-chip Sigfox @ 868 MHz - EU) on the PCB with 67 x 25mm dimension.
IoT network Sigfox in available on 30 countries.

You also find USB, reset button, LED and u.fl connector for external antenna on the board.

The price is ?35.00.

Arduino blog https://blog.arduino.cc/2017/04/18/introducing-the-arduino-mkrfox1200/

Originaly shared from http://www.cnx-software.com/2017/04/19/arduino-mkrfox1200-board-combines-microchip-sam-d21-mcu-with-sigfox-module-in-mkrzero-form-factor/