[URGENT] Comunication GPRS

Projects Networking, Protocols, and Devices
2

HI,

I would advise you to use Hilo module from Sagem.

Libelium designed a board to use it arduino compatible.

HiLo module
http://www.cooking-hacks.com/index.php/arduino-gprs-module.html

Nem model they have with SIM900, this i don´t know...
http://www.cooking-hacks.com/index.php/gprs-quadband-module-sim900-for-arduino.html