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Multi-Tech Systems, Inc. MultiModem GPRS USB Wireless Modem User Guide 3
Contents
Chapter 1 – Product Description and Specifications................................................................................................4
Product Description..............................................................................................................................................4
Features.................................................................................................................................................................4
Safety.....................................................................................................................................................................5
General Safety.................................................................................................................................................5
RF Interference Issues.....................................................................................................................................5
Vehicle Safety..................................................................................................................................................5
Maintenance of Your Modem...........................................................................................................................5
Your Responsibility..........................................................................................................................................5
Package Contents.................................................................................................................................................6
General Specifications .........................................................................................................................................7
Functions – GSM/GPRS Modes...........................................................................................................................7
Electrical Specifications.......................................................................................................................................7
RF Specifications..................................................................................................................................................7
Antenna Specifications ........................................................................................................................................8
GSM/EGSM Antenna Requirements/Specifications.........................................................................................8
Antennas Available from Multi-Tech Systems, Inc...........................................................................................8
PTCRB Requirements Note.............................................................................................................................8
FCC Requirements Note..................................................................................................................................8
Interfaces...............................................................................................................................................................8
LED Interface...................................................................................................................................................8
AT Command Reference Guides .........................................................................................................................8
Chapter 2 – Activation and Installation......................................................................................................................9
Step 1 – Activate Your Wireless Account ...........................................................................................................9
Step 2 – Insert the SIM Card into the Holder ......................................................................................................9
Step 3 – Connect the Antenna and USB Cable.................................................................................................10
Step 4 – Handset Connection (Optional) ..........................................................................................................10
Step 5 – Attach the Modem to a Flat Surface (Optional)..................................................................................11
Step 6 – Install the Modem Driver......................................................................................................................12
Introduction....................................................................................................................................................12
Installing the Modem Driver in Windows XP/2003 .........................................................................................12
Installing the Modem Driver in Windows 2000...............................................................................................16
Chapter 3 – Using Your Wireless Modem ................................................................................................................19
Phone Number for the Wireless Modem...........................................................................................................19
Examples of Useful AT Commands...................................................................................................................19
Verifying Signal Strength ...............................................................................................................................19
Checking Network Registration and Roaming Status.....................................................................................19
Checking the Modem’s Identity......................................................................................................................19
Establishing a Voice Call ...............................................................................................................................20
Establishing a Circuit-Switched Data (CSD) Connection ...............................................................................20
Answering a Circuit-Switched Data (CSD) Connection..................................................................................20
Using Short Message Services (SMS)...............................................................................................................21
SMS Examples ..............................................................................................................................................22
Internet Access ...................................................................................................................................................24
Connecting to the GPRS Network for Internet Access...................................................................................24
Chapter 4 – Troubleshooting and Frequently Asked Questions............................................................................26
Troubleshooting Examples................................................................................................................................26
Frequently Asked Questions .............................................................................................................................27
Appendix A – Warranty and Repairs ........................................................................................................................29
Appendix B - Waste Electrical and Electronic Equipment (WEEE) Statement .....................................................31
Appendix C – C-ROHS HT/TS Substance Concentration........................................................................................32