Pycom Pytrack Expansion Shield adds the functionality of a super accurate GNSS, Glonass GPS to Pycom development boards. Pytrack shields use a USB interface with serial access while including a LiPo battery charger, MicroSD card capability, and a three-axis, 12-bit accelerometer. These Pycom shields feature an ultra low power operation mode (~1uA in deep sleep) and can operate in -40°C to 85°C temperatures. https://elecena.pl/product/17219499/pycom-pytrack-2-0-x 2020-10-09 https://elecena.pl/product/17219499/pycom-pytrack-2-0-x 2021-06-08 https://elecena.pl/product/17219499/pycom-pytrack-2-0-x 2022-01-19 https://elecena.pl/product/17219499/pycom-pytrack-2-0-x 2022-01-20