High quality GSM/GPRS shield used for communication between cellular networks and an Arduino board. Compatible with 2 degrees and Vodafone. (Quad-Band 850 / 900/ 1800 / 1900)

Great for sending SMS messages, placing calls, getting GPRS location and more.

Lots of documentation available on the internet making it easy to get your project connected.

Features

Based on SIMCom's SIM900 Module Quad-Band 850 / 900/ 1800 / 1900 MHz - would work on GSM networks in all countries across the world. Control via AT commands - Standard Commands: GSM 07.07 & 07.05 | Enhanced Commands: SIMCOM AT Commands. Short Message Service - so that you can send small amounts of data over the network (ASCII or raw hexadecimal). Embedded TCP/UDP stack - allows you to upload data to a web server. Speaker and Headphone jacks - so that you can send DTMF signals or play recording like an answering machine. SIM Card holder and GSM Antenna - present onboard. 12 GPIOs, 2 PWMs and an ADC (all 2.8 volt logic) - to augment your Arduino. Low power consumption - 1.5mA(sleep mode) Industrial Temperature Range - -40°C to +85 °C

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