Telcel


In May 2007, the Mexican mobile operator Telcel launched Reach-U:s Automated Vehicle
Location
application as their product for vehicle management service to enterprise customers.

Telcel offers their clients a choice of 6 different modems to choose from. The choice of which depends on the level of accuracy that the client needs and the service level that the client is looking for.

http://www.telcel.com/ (search for "AVL")