This publication may not be reproduced, in whole or in part, without prior expressed written permission from Multi-Tech Systems, Inc. All rights reserved.
Multi-Tech Systems, Inc. makes no representations or warranties with respect to the contents hereof and specifically disclaim any implied warranties of
merchantability or fitness for any particular purpose. Furthermore, Multi-Tech Systems, Inc. reserves the right to revise this publication and to make
changes from time to time in the content hereof without obligation of Multi-Tech Systems, Inc. to notify any person or organization of such revisions or
changes.
Trademarks
SocketModem and the Multi-Tech logo are registered trademarks of Multi-Tech Systems, Inc. Microsoft
and Windows
are registered trademarks of
Microsoft Corporation in the United States and other countries. All other brand and product names are trademarks or registered trademarks of their
respective companies.
Contacting Multi-Tech
Knowledge Base
The Knowledge Base provides immediate access to support information and resolutions for all Multi-Tech products. Visit
http://www.multitech.com/kb.go.
Support Portal
To create an account and submit a support case directly to our technical support team, visit:
https://support.multitech.com.
Support
Business Hours: M-F, 9am to 5pm CT
Country
Europe, Middle East, Africa:
U.S., Canada, all others:
By Email
support@multitech.co.uk
support@multitech.com
By Phone
+(44) 118 959 7774
(800) 972-2439 or (763) 717-5863
World Headquarters
Multi-Tech Systems, Inc.
2205 Woodale Drive
Mounds View, Minnesota 55112
Phone: 763-785-3500 or 800-328-9717
Fax: 763-785-9874
Warranty
To read the warranty statement for your product, please visit:
Recommended Parts ......................................................................................................................................................................... 7
Powering Down Your Device ............................................................................................................................................... 7
RS-232 Signal DC Electrical Characteristics ......................................................................................................................... 8
Absolute Maximum Rating ................................................................................................................................................................ 8
Electrical Characteristics Other Pins ................................................................................................................................... 8
Power Measurements ......................................................................................................................................................... 9
EMC, Safety, and R&TTE Directive Compliance .......................................................................................................... 10
LED Interface ..................................................................................................................................................................... 11
LED 2 – Link Status .......................................................................................................................................................................... 11
Receiver Features ............................................................................................................................................................................ 11
RF Connection and Antenna ........................................................................................................................................................... 11
Changing the Quad Band .................................................................................................................................................. 12
Changing the GSM Band ................................................................................................................................................................. 12
3
SocketModem Cell GPRS MTSMC-G3 Device Guide
CHAPTER 1 – DEVICE OVERVIEW
Device Overview
Description
SocketModem Cell GPRS models are complete ready-to-integrate communication devices that offer standards-
based quad-band GSM/GPRS Class 10 performance. These quick-to-market communications devices allow
developers to add wireless communication to products with a minimum of development time and expense. It uses
industry-standard open interfaces and Multi-Tech’s Universal Socket design.
Product Build Options
Product
MTSMC-G3
Developer Kit
Description
2G GSM/GPRS Class 10 Quad-band SocketModem
Universal Developer Kit
Region
Europe
Global
MTSMI-UDK
Notes:
To connect these to a network, you need a SIM card for your network. Contact your network carrier to
obtain a SIM card.
All builds can be ordered individually or in 50-packs.
The complete product code may end in .Rx, for example MTSMC-G3.Rx, where R is revision and x is the
revision number.
Documentation
The following documentation is available on the MultiTech website at
https://www.multitech.com/models/92503289LF.
Device Guides
– This document. Provides model-specific specifications and developer information.
Universal Socket Developer Guide
– Provides an overview, safety and regulatory information, design
considerations, schematics, and general device information.
AT Command Guide
– Use the following AT Command Guides with GPRS devices:
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