SIM5300E AT Command Manual V1.02
1. Introduction
1.1 Scope of the document
This document presents the AT Command Set for SIM5300E .
1.2 Related documents
You can visit SIMCom Website using the following link:
URL:www.simcomm2m.com
1.3 Conventions and abbreviations
In this document, the GSM engines are referred to as following term:
ME (Mobile Equipment);
MS (Mobile Station);
TA (Terminal Adapter);
DCE (Data Communication Equipment) or facsimile DCE (FAX modem, FAX board);
In application, controlling device controls the GSM engine by sending AT Command via its serial interface.
The controlling device at the other end of the serial line is referred to as following term:
TE (Terminal Equipment);
DTE (Data Terminal Equipment) or plainly "the application" which is running on an embedded system;
1.4 AT Command syntax
The "AT" or "at" or “aT” or “At”prefix must be set at the beginning of each Command line. To terminate a
Command line enter <CR>.
Commands are usually followed by a response that includes. "<CR><LF><response><CR><LF>"
Throughout this document, only the responses are presented, <CR><LF> are omitted intentionally.
The AT Command set implemented by SIM5300E is a combination of 3GPP TS 27.005, 3GPP TS 27.007 and
ITU-T recommendation V.25ter and the AT commands specified by SIMCom.
Note: Only enter AT Commands through serial port after SIM5300E have been powered on and Unsolicited
Result Code "RDY" is received from serial port. If auto-bauding is enabled, the Unsolicited Result Codes
"RDY" and so on are not indicated when you start up the ME, and the "AT" prefix, or "at" prefix must be set
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