sparkfun MG2639 Cellular Shield Hook-Up Manual

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MG2639 Cellular Shield Hookup Guide
Introduction
The MG2639 Cellular Shield is a perfect addition to any Arduino project that
requires connectivity when there's no WiFi signal radiating or Ethernet drop
nearby. The ZTE MG2639 module, which this shield is built around,
supports SMS, TCP, UDP, and can even be used to make or receive phone
calls (imagine that!). That means you can send and receive text messages,
or use it to remotely connect your Arduino to the Internet. To top it off, it has
an integrated GPS receiver, so it doesn't get lost.
The MG2639 Cellular Shield is the perfect centerpiece for any remotely-
operating project – whether it's a text-message-triggered MP3 player, an
environmental monitor logging to data.sparkfun.com, or a new iteration of
the Port-O-Rotary telephone.
Covered In This Tutorial
This tutorial aims to answer any and every question you have about the
MG2639 Cellular Shield. In the beginning, we'll focus on the hardware of
the board – looking at the schematic, pin-outs, and jumpers on-board. Then
we'll discuss what assembly steps to take before connecting the shield to
your Arduino – finding the right power supply, plugging in a SIM card, and
so on. Finally we'll show off the MG2639 Arduino library and document a
series examples that demonstrate how to use the module's TCP, SMS, and
phone functionalities.
This tutorial is split into sections. Click the links to the right if you want to
jump around to other sections.