This is an Arduino compatible shield....
This is an Arduino compatible shield. This all-in-one phone module allows you to add location-tracking, voice, text, SMS and data to your project in a single shield.
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The Tinysine 3G Cellular Shield provides you a way to use the 3G/GSM cell phone network to receive data from a remote location. This 3G shield has better coverage, GSM backwards-compatibility and even sports a built-in GPS module for geolocation & asset tracking. This all-in-one cellular phone module with that lets you add location-tracking, voice, text, SMS and data to your project in a single shield.
You may also need some required & recommended accessories to make this 3G shield work. These are not included!