Anti-theft system using High-end SIM KM-999 GSM
https://sinectica.iteso.mx/index.php/SINECTICA/user/viewPublicProfile/68127
The Honest to Goodness Truth on Komax KM-999 GSM Using Sim Card You are able to order many bundles of $19 if needed. It's possible to then purchase a data pack, although pricing will ride on your destination.