He decided to go with the low-cost SIM800L GSM modem, but as it only works on 2G networks, provisions have been made in the board design to swap it out for a more modern module should you desire.

For many projects, a WiFi connection is overkill, too complicated, or too far away to work properly. Even though it’s relatively ubiquitous, sometimes the best choice for getting data to or f… ...

Forecasting lower prototyping and short-run production costs, the GTC01 GSM/GPRS module is a complete GSM/GPRS platform supporting the Cinterion M2M Evolution range of GSM modems ...