AT Commands Reference Guide
80529ST10815A Rev.2– 2017-09-14
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Command Echo - E .......................................................................................................................... 29
Quiet Result Codes - Q .................................................................................................................... 29
Response Format - V ........................................................................................................................ 30
Identification Information - I ........................................................................................................... 31
Data Carrier Detect (DCD) Control - &C ....................................................................................... 3 1
Data Terminal Ready (DTR) Control - &D .................................................................................... 31
Flow Control - &K ........................................................................................................................... 32
Fixed DTE Interface Rate - +IPR .................................................................................................... 32
DTE-Modem Local Flow Control - +IFC ....................................................................................... 33
DTE-Modem Character Framing - +ICF ......................................................................................... 34
Call Control ................................................................................................................................... 34
Dial - D ............................................................................................................................................. 34
S Parameters .................................................................................................................................. 37
Number of Rings to Auto Answer - S0 ........................................................................................... 38
Command Line Termination Character - S3 ................................................................................... 39
Response Formatting Character - S4 ............................................................................................... 39
Command Line Editing Character - S5 ........................................................................................... 39
3GPP TS 27.007 AT Commands.........................................................................................................................40
General .......................................................................................................................................... 40
Request Manufacturer Identification - +CGMI ............................................................................... 40
Request Model Identification - +CGMM ........................................................................................ 40
Request Revision Identification - +CGMR ..................................................................................... 40
Request Product Serial Number Identification - +CGSN
.................................................................... 40
Select TE Character Set - +CSCS .................................................................................................... 41
Request International Mobile Subscriber Identity (IMSI) - +CIMI................................................ 42
Read ICCID (Integrated Circuit Card Identification) - #CCID ...................................................... 42
Serial and Software Version Number - +IMEISV .......................................................................... 42
PCCA STD-101 Select Wireless Network - +WS46 ...................................................................... 43
Network Service Handling ............................................................................................................... 43
Subscriber Number - +CNUM ......................................................................................................... 43
Read Operator Names - +COPN ...................................................................................................... 44
Operator Selection - +COPS ............................................................................................................ 44
Facility Lock/Unlock - +CLCK ....................................................................................................... 45
Change Facility Password - +CPWD .............................................................................................. 47
Preferred Operator List - +CPOL .................................................................................................... 48
Selection of preferred PLMN list - +CPLS ..................................................................................... 4 9
Mobile Equipment Control .............................................................................................................. 50
Set Phone Functionality - +CFUN ................................................................................................... 50
Enter PIN - +CPIN ........................................................................................................................... 51
Signal Quality - +CSQ ..................................................................................................................... 53
Extended Signal Quality - +CESQ ................................................................................................. 54
Mobile Equipment Event Reporting - +CMER ............................................................................... 56
Clock Management - +CCLK .......................................................................................................... 57
Restricted SIM Access - +CRSM .................................................................................................... 58
Available AT Commands - +CLAC ................................................................................................ 6 0
Mobile Equipment Errors ................................................................................................................ 60
Report Mobile Equipment Error - +CMEE ..................................................................................... 60
Commands for GPRS ...................................................................................................................... 62
GPRS Attach or Detach - +CGATT ................................................................................................ 62
GPRS Event Reporting - +CGEREP ............................................................................................... 6 2
GPRS Network Registration Status - +CGREG .............................................................................. 64
Printing IP Address Format - +CGPIAF ......................................................................................... 6 6
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