Reference Guide

Supported AT Command Reference
10 2130617
Result codes
Resultcodesarenotshowninthecommandtablesunless
specialconditionsapply.Generallytheresultcode
OKis
returnedwhenthecommandhasbeenexecuted.
ERRORmay
bereturnedifparametersareoutofrange,andwillbe
returnedifthecommandisnotrecognizedorisnotpermitted 
inthecurrentstateorconditionofthemodem.
Terminology and acronyms
Thisdocumentmakesuseofacronymsthatareincommonuse
indatacommunicationsandcellulartechnology.Our
Internet
siteprovidesaGlossaryofTermsandAcronyms(document
number2130891)thatmaybehelpfulinunderstandingsome
acronymsandterminologyusedinthisguide.
Current firmware versions
Versions
Note: Revision codes that
include letters, such as 2.1A, are
to be considered drafts and are
subject to change before final
release.
Document Thisdocumentisrevisedperiodicallyasnew
firmwareversionsarereleased.Thiseditionis:
Rev 2.8.1 Feb.11
Applicability of commands to different modules Each
commandlistedinthisguideincludesalistofsupporting
AC8xxandMC87xxmodules.Unlessotherwisenoted,the
followingminimumfirmwarerevisionsarerequiredto
supportthelistedcommands:
• AC875/MC8775/MC8775V–RevisionH1_0_0_0or
higher
• AC880/MC8780/MC8781–RevisionD1_0_3_0ap/
F1_0_0_0aporhigher
• AC881/AC881U–RevisionF1_0_0_4aporhigher
• C885/MC8785V—RevisionJ1_0_1_0aporhigher
• C888/MC8790/MC 8790V—RevisionK1_0_1_2apor
higher
• MC8791V/M C8792V—RevisionK1_0_2_13aporhigher
Todetermineyourfirmwarerevision:
• EntertheidentificationcommandAT+GMR
Themodemrespondswithversioninformationfor 
software,firmware,andhardware.
ThedetailsfollowingtherevisionnumberincludeSierra
Wirelessinformationonthespecificbuildfollowedbythe
dateandtimeofthebuild.
+GMR: … F/W VER: R1_0_0_…