Arduino A000043RF Development Tools ARDUINO GSM SHIELD INTEGRATED ANTENNA

communication is achieved via an integrated GSM/GPRS module. The shield is based on the SIM900 Quad-band GSM/GPRS module and is compatible with all Arduino boards. It features an onboard antenna and a SIM card holder, and is designed to provide a reliable and easy-to-use connection to the internet. The shield also includes a microSD card slot for storing data. The Arduino GSM Shield is a great way to add wireless communication to your Arduino project. It is easy to use and provides a reliable connection to the internet, allowing you to access data, send/receive voice calls and SMS messages, and more.