This is the FCC-certified ATA8520E transceiver with an integrated AVR micro controller. A FCC-certified development board is also available.

Microchip is offering a Sigfox-certified ATA8520-EK as a standalone kit, or it can be bought as a kit combined with an Xplained PRO board for system-designs.

Currently operating in 24 countries and registering over 8 million devices in its network, Sigfox which operates in the ISM unlicensed band. This is the 868MHz in Europe and 902MHz in North America.

The attraction of Sigfox for wide-area IoT connections is its lower node power consumption compared with traditional cellular, Bluetooth or Wi-Fi.