Welcome to kjdElectronics!
Arduino is an open-source electronics platform based on easy-to-use hardware and software. It's intended for anyone making interactive projects.
The Arduino GSM Shield connects your Arduino to the internet using the GPRS wireless network. Just plug this module onto your Arduino board, plug in a SIM card from an operator offering GPRS coverage and start controlling your world through the internet. You can also make/receive voice calls (with an external speaker and microphone circuit) and ...