Template: GSM/GPRS/GPS HAT User Manual
From Waveshare Wiki
Overview
Introduction
This is a Raspberry Pi Expansion Board, which features GSM (Global System for Mobile), GPRS (General Packet Radio Service), GNSS (Global Navigation Satellite) and Bluetooth modules.
GSM/GPRS/GNSS HAT is handy, ultralow power consumption, features multi communication functionalities. With this HAT you can easily use your Raspberry Pi to making calls, sending messages, connecting to wireless Internet, global positioning and transmitting data via Bluetooth, etc.