Table of Contents
Multi-Tech Systems, Inc. MultiModem GPRS USB Wireless Modem User Guide 3
Chapter 1 – Product Description and Specifications................................................................................................4
Product Description.................................................................................................................................................4
Features..................................................................................................................................................................4
Application Overview...............................................................................................................................................5
Application Types.............................................................................................................................................5
Benefits/Features in Applications.....................................................................................................................5
Safety......................................................................................................................................................................6
General Safety.................................................................................................................................................6
RF Interference Issues.....................................................................................................................................6
Vehicle Safety..................................................................................................................................................6
Maintenance of Your Modem...........................................................................................................................6
Your Responsibility..........................................................................................................................................6
Package Contents...................................................................................................................................................7
Specifications..........................................................................................................................................................8
Antenna/RF Specifications...............................................................................................................................8
Interfaces................................................................................................................................................................9
LEDs................................................................................................................................................................9
AT Command Reference Guides.....................................................................................................................9
Chapter 2 – Activation and Installation....................................................................................................................10
Step 1 – Activate Your Wireless Account..............................................................................................................10
Step 2 – Insert the SIM Card into the Holder........................................................................................................10
Step 3 – Connect the Antenna and USB Cable.................................................................................................... 11
Step 4 – Handset Connection (Optional)...............................................................................................................11
Step 5 – Attach the Modem to a Flat Surface (Optional).......................................................................................12
Step 6 – Install the Modem Driver.........................................................................................................................13
Introduction....................................................................................................................................................13
Installing the Modem Driver in Windows XP/2003.........................................................................................13
Installing the Modem Driver in Windows 2000...............................................................................................17
Chapter 3 – Using Your Wireless Modem................................................................................................................21
Phone Number for the Wireless Modem...............................................................................................................21
Examples of Useful AT Commands......................................................................................................................21
Verifying Signal Strength...............................................................................................................................21
Checking Network Registration and Roaming Status.....................................................................................21
Checking the Modem’s Identity......................................................................................................................21
Establishing a Voice Call............................................................................................................................... 22
Establishing a Circuit-Switched Data (CSD) Connection...............................................................................22
Answering a Circuit-Switched Data (CSD) Connection..................................................................................22
Using Short Message Services (SMS)..................................................................................................................23
SMS Examples..............................................................................................................................................24
Internet Access.....................................................................................................................................................26
Connecting to the GPRS Network for Internet Access...................................................................................26
Mobile PhoneTools...............................................................................................................................................28
Chapter 4 – Troubleshooting and Frequently Asked Questions............................................................................29
Troubleshooting Examples....................................................................................................................................29
Frequently Asked Questions.................................................................................................................................30
Chapter 5 – Reference Information...........................................................................................................................32
Wireless Modem Reference Information...............................................................................................................32
Appendix A – Warranty and Repairs........................................................................................................................33
Appendix B - Waste Electrical and Electronic Equipment (WEEE) Statement.....................................................35