The GSM Hack module is a tiny Arduino™ compatible development board with GSM/GPRS capability built-in. It is tailored for battery powered long-range monitoring and control applications. It will allow you to connect anything to cloud taking advantage of the existing worldwide GSM coverage. You can also make your application call you when something happen or even control something simply with a text message.

Package content:

• 1 x GSM Hack board;
• 1 x 14way pin header strip;
• 1 x 12way pin header strip;
• 1 x 6way header.
• Note: The package do not include the antenna. Choose one here.

Board Features:

• Dimensions: 30mm x 43mm;
• Breadboard-friendly;
• Microcontroller: ATmega328p
• Board Supply: 3,3V up to 6V;
• 8 Analogue pins;
• 14 Digital IO pins;
• SPI / I2C / UART;
• 2 LEDs connected to GSM modem for status;
• Reset Button;
• Integrated Quad band GSM/GPRS modem SIM800C;
• Integrated LDO 3,3V up to 600mA;
• Integrated Switching regulator for GSM power up to 3A.
• Built-in LIPO Battery Charger with status LED;
• Speaker connection available (Down to 32Ω impedance speaker);
• Microphone connection available (Electret Microphone);
• Micro SimCard socket;
• JST Battery Connector;
• Micro USB connector for power;
• Programmable over FTDI serial cable;
• Open source Hardware: github repository;
• Open source Software: github repository;

Using the GSM Hack board to connect your devices to the cloud is a very easy task, you can take advantage of the Arduino ecosystem to connect your sensors and put it to work in the blink of an eye.

Depending on your application requirements GSM Hack can live in the same battery for several days/weeks, this can be achieved if the board is left in a low power state almost all the time, and off course in the capacity of the battery.

And when the power is running low, you can charge it like your smartphone, just plug in the micro USB connector and it is ready to go. There is a charge status LED that will stay ON while the battery is being charged. Well, you don't really need a battery, it will run just fine straight from the micro USB connector because the board have a switching regulator capable of supplying the modem, in this case make sure that you are using a proper 5V supply (at least 2A).

Regarding the GSM/GPRS coverage there is not much left to say, it is almost everywhere.