Introduction; Scope; References; Terms And Abbreviations - SimCom SIM7500 Series At Command Manual

1

Introduction

1.1

Scope

The present document describes the AT Command Set for the SIMCom Module:
SIM7500 series, SIM7600 series.
More information about the SIMCom Module which includes the Software Version information can be
retrieved by the command ATI. In this document, a short description, the syntax, the possible setting values
and responses, and some examples of AT commands are presented.
Prior to using the Module, please read this document and the Version History to know the difference from
the previous document.
In order to implement communication successfully between Customer Application and the Module, it is
recommended to use the AT commands in this document, but not to use some commands which are not
included in this document.
1.2

References

The present document is based on the following standards:
[1] ETSI GSM 01.04: Abbreviations and acronyms.
[2] 3GPP TS 27.005: Use of Data Terminal Equipment – Data Circuit terminating Equipment (DTE –
DCE) interface for Short Message Service (SMS) and Cell Broadcast Service (CBS).
[3] 3GPP TS 27.007: AT command set for User Equipment (UE).
[4] WAP-224-WTP-20010710-a
[5] WAP-230-WSP-20010705-a
[6] WAP-209-MMSEncapsulation-20010601-a
1.3

Terms and abbreviations

For the purposes of the present document, the following abbreviations apply:
 AT
from TE/DTE to TA/DCE
 DCE
 DCS
 DTE
ATtention; the two-character abbreviation is used to start a command line to be sent
Data Communication Equipment; Data Circuit terminating Equipment
Digital Cellular Network
Data Terminal Equipment