Sony Ericsson GM29, Integrator'S Manual, Page: 13 / 264

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LZT 123 7361 R1B
1. Introduction
1.1 Target Users
GM29 modems are designed to be integrated into machine-machine or
man-to-machine communications applications. They are intended to be
used by manufacturers, system integrators, applications developers and
developers of wireless communications equipment.
1.2 Prerequisites
It is assumed that the person integrating the GM29 into an application
has a basic understanding of the following:
• GSM networking;
• Wireless communication and antennas (aerials);
• AT commands;
• ITU-T standard V.24/V.28;
• Micro controllers and programming;
• Electronic hardware design.
1.3 Manual Structure
The manual is composed of four parts:
Part 1- Overview
This section provides a broad overview of the GM29 and includes a list
of abbreviations used in the manual.
Part 2 - Integrating the Modem
This section describes each of the signals available on the GM29
modem, along with mechanical information. The section also provides
you with design guidelines and explains what is needed to
commercialise an application from a regulatory point of view.
Part 3 - Using AT Commands
This section lists all the AT commands relevant to the GM29, including
their associated parameters. The purpose of part 4 is to give you detailed
information about the function of each command in the AT command
set.