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About this guide ix
About this guide
Congratulations and thank you for purchasing a Sony Ericsson MD400 or MD400g Mobile Broadband
USB Modem.
This guide includes an overview of the supported features, detailed technical specifications, system
requirements, and safety guidelines for both the MD400 and MD400g.
The MD400 and MD400g provide the same features, with one exception, the MD400g incorporates
a Global Positional Satellite (GPS) receiver. This manual refers to both modems as MD400. When
the information is specific to the MD400g, MD400g will be used.
Note:
Be sure to read all safety guidelines in this document before using your MD400.
How this guide is organised
Chapter 1: Overview on page 1, contains an overview of your MD400 and the features that it
supports. It also provides a list of the requirements and tools needed to use your new MD400.
Chapter 2: Additional information on page 15, provides safety guidelines, warranty information, and
regulations that are relevant to your MD400.
Chapter 3: Technical specifications on page 20, provides detailed technical specifications for your
MD400.
Additional resources
Sony Ericsson support Website
Additional resources can be found on the Internet at the Sony Ericsson support Website You can use
the Sony Ericsson Website to find the most up-to-date product information and support wherever
you are. It gives you access to online customer services, user manuals, the latest software downloads,
and other useful information. For more information, go to:
www.sonyericsson.com/support
Publications
Sony Ericsson provides the following documents to help you use your MD400:
• A printed Quick Start Guide aimed at getting you operational as quickly as possible.
• A PDF MD400 User Guide (this document) that contains a detailed description of your MD400
and the features that it supports. This document is copied to your hard drive when Wireless
Manager is installed and can be accessed by selecting Start All Programs Sony
Ericsson Wireless Manager 5 MD400 User Guide
• Online Help built into Wireless Manager which describes in detail how to use each feature and
how to install and uninstall the software. Select Help or press F1 to access online help.