SainSmart Small GSM GPRS SIM900 for Arduino UNO, Mega
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<b>[Product Information]</b><br>
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<li>Can work with Arduino Uno; Only work for 2G network</li>
<li>SainSmart is well known and provides high quality electronics product</li>
<li>Embedded TCP/UDP stack - allows you to upload data to a web server</li>
<li>Quad-Band 850/900/1800/1900 MHz - would work on GSM networks in all countries across the world</li>
<li>Short Message Service - so that you can send small amounts of data over the network (ASCII or raw hexadecimal)</li>
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