AT Commands Reference Guide
80529ST10815A Rev.2– 2017-09-14
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Contents
1 Introduction ...................................................................................................................................................................... 10
1.1 Scope.....................................................................................................................................10
1.2 Audience................................................................................................................................10
1.3 Contact Information, Support..............................................................................................10
1.4 Document Organization........................................................................................................11
1.5 Text Conventions..................................................................................................................11
1.6 Related Documents...............................................................................................................11
1.7 Document History.................................................................................................................12
2 Overview 13
2.1 About the document..............................................................................................................13
3 AT COMMANDS ............................................................................................................................................................. 14
3.1 Definitions.............................................................................................................................14
3.2 AT Command Syntax............................................................................................................14
String Type Parameters.......................................................................................................................................15
Command Lines..................................................................................................................................................15
ME Error Result Code - +CME ERROR: <err>...................................................................................................18
Message Service Failure Result Code - .............................................................................................. 20
+CMS ERROR: <err> ............................................................................................................................... 20
Information Responses and Result Codes............................................................................................................21
Command Response Time-Out............................................................................................................................22
Command Issuing Timing...................................................................................................................................23
3.3 Storage..................................................................................................................................24
Factory Profile and User Profiles.........................................................................................................................24
3.4 AT Commands References....................................................................................................26
3.4.1 Command Line General Format....................................................................................................26
3.4.1 Command Line Prefixes .................................................................................................................... 26
Starting a Command Line - AT ....................................................................................................... 26
Last Command Automatic Repetition - A/ ...................................................................................... 26
Hayes Compliant AT Commands........................................................................................................................27
Generic Modem Control .................................................................................................................. 27
Set To Factory-Defined Configuration - &F ................................................................................... 27
Soft Reset - Z .................................................................................................................................... 27
Default Reset Full Profile Designation - &P ................................................................................... 27
Manufacturer Identification - +GMI ................................................................................................ 28
Model Identification - +GMM ......................................................................................................... 28
Revision Identification - +GMR ...................................................................................................... 28
Serial Number - +GSN ..................................................................................................................... 28
Display Current Base Configuration and Profile - &V ................................................................... 29
DTE - Modem Interface Control ....................................................................................................... 29
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