Product Description.................................................................................................................................................4
Features..................................................................................................................................................................4
Application Overview...............................................................................................................................................5
Application Types.............................................................................................................................................5
Safety......................................................................................................................................................................7
General Safety.................................................................................................................................................7
RF Interference Issues.....................................................................................................................................7
Vehicle Safety..................................................................................................................................................7
Maintenance of Your Modem ...........................................................................................................................8
Your Responsibility ..........................................................................................................................................8
Package Contents............................................................................................................................................8
Specifications..........................................................................................................................................................9
Functions - CDMA USB Modes..............................................................................................................................9
Electrical Characteristers ........................................................................................................................................9
Antenna/RF Specifications....................................................................................................................................10
Interfaces ..............................................................................................................................................................10
LEDs .....................................................................................................................................................................10
AT Command Information .....................................................................................................................................10
Introduction ....................................................................................................................................................14
Examples of Useful AT Commands ......................................................................................................................22
Verifying Signal Strength ...............................................................................................................................22
Checking the Modem's Identity ......................................................................................................................22
Establishing a Voice Call ...............................................................................................................................23
SMS Examples ..............................................................................................................................................25
Internet Access .....................................................................................................................................................26
Mobile PhoneTools ...............................................................................................................................................28
Troubleshooting Examples....................................................................................................................................29
Frequently Asked Questions .................................................................................................................................30
General ..........................................................................................................................................................32
Multi-Tech Systems, Inc. MultiModem CDMA USB Wireless Modem User Guide
Contents
Table of Contents
3
Need help?
Do you have a question about the MTCBA-C-U and is the answer not in the manual?
Questions and answers