SimCom SIM7500 Series

Smart Machine Smart Decision
SIM7500_SIM7600 Series_AT Command Manual_V1.07 2017-12-25
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 DTMF Dual Tone Multi–Frequency
 EDGE Enhanced Data GSM Environment
 EGPRS Enhanced General Packet Radio Service
 GPIO General–Purpose Input/Output
 GPRS General Packet Radio Service
 GSM Global System for Mobile communications
 HSDPA High Speed Downlink Packet Access
 HSUPA High Speed Uplink Packet Access
 I2C Inter–Integrated Circuit
 IMEI International Mobile station Equipment Identity
 IMSI International Mobile Subscriber Identity
 ME Mobile Equipment
 MO Mobile–Originated
 MS Mobile Station
 MT Mobile–Terminated; Mobile Termination
 PCS Personal Communication System
 PDU Protocol Data Unit
 PIN Personal Identification Number
 PUK Personal Unlock Key
 SIM Subscriber Identity Module
 SMS Short Message Service
 SMS–SC Short Message Service – Service Center
 TA Terminal Adaptor; e.g. a data card (equal to DCE)
 TE Terminal Equipment; e.g. a computer (equal to DTE)
 UE User Equipment
 UMTS Universal Mobile Telecommunications System
 USIM Universal Subscriber Identity Module
 WCDMA Wideband Code Division Multiple Access
 FTP
File Transfer Protocol
 HTTP Hyper Text Transfer Protocol
 RTC Real Time Clock
 URC Unsolicited Result Code
1.4 Definitions and conventions
1. For the purposes of the present document, the following syntactical definitions apply:
<CR> Carriage return character.
<LF> Linefeed character.
<…> Name enclosed in angle brackets is a syntactical element. Brackets themselves do not
appear in the command line.
[…] Optional subparameter of AT command or an optional part of TA information response
is enclosed in square brackets. Brackets themselves do not appear in the command line.
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