Arduino A000044Arduino GSM Shield with Antenna Connector A000044 Board

communication is achieved via GSM/GPRS network. The shield is based on the SIM900 Quad-band GSM/GPRS module. It is controlled via AT commands and supports all GSM/GPRS 850/900/1800/1900 MHz networks. It has an integrated antenna and supports both SMS and voice calls. It also has a microSD card slot for data storage. The Arduino GSM Shield is a great way to add wireless communication to your Arduino projects. It is easy to use and provides a reliable connection to the GSM/GPRS network. With the Arduino GSM Shield, you can easily connect your Arduino board to the internet, make/receive voice calls, and send/receive SMS messages.