
  | Table of Contents  | 
Contents | 
  | 
Chapter 1 – Product Description and Specifications  | 4  | 
Product Description  | 4  | 
Safety  | 4  | 
General Safety  | 4  | 
RF Interference Issues  | 4  | 
Installation Instructions for Hazardous Locations  | 5  | 
Vehicle Safety  | 5  | 
Maintenance of Your Modem  | 5  | 
Your Responsibility  | 5  | 
Package Contents  | 5  | 
Specifications  | 6  | 
Functions – GSM Modes  | 6  | 
Electrical Characteristics  | 7  | 
Antenna/RF Specifications  | 7  | 
Interfaces  | 8  | 
LEDs  | 8  | 
RS232   | 8  | 
AT Command Information  | 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 – Hook up the Antenna, Serial Cable, and Power  | 10  | 
Step 4 – Optional – Attach the Modem to a Flat Surface  | 12  | 
Step 5 – Install the Modem Driver  | 13  | 
Chapter 3 – Using Your Wireless Modem  | 14  | 
Phone Numbers for the Wireless Modem  | 14  | 
Examples of Useful AT Commands  | 14  | 
Verifying Signal Strength  | 14  | 
Checking Network Registration and Roaming Status  | 14  | 
Checking the Modem’s Identity  | 14  | 
Establishing a Voice Call  | 15  | 
Establishing a   | 15  | 
Answering a   | 15  | 
Using Short Message Services (SMS)  | 16  | 
SMS Examples  | 17  | 
Internet Access  | 19  | 
Connecting to the GPRS Network for Internet Access  | 19  | 
Mobile PhoneTools  | 21  | 
Chapter 4 – Troubleshooting and Frequently Asked Questions  | 22  | 
Troubleshooting Examples  | 22  | 
Frequently Asked Questions  | 23  | 
Chapter 6 – Reference Information  | 25  | 
Wireless Modem Reference Information  | 25  | 
Data Cable Diagram – No Voice  | 25  | 
Data Cable Diagram – with Voice  | 26  | 
Fused DC Power Cable Dimensions  | 26  | 
How to Change the Fuse  | 26  | 
Appendix A – Warranty and Repairs  | 27  | 
Appendix B - Waste Electrical and Electronic Equipment (WEEE) Statement  | 29  | 
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