WM620 AT
Command Manual
Copyright © Neoway Technology Co., Ltd
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Contents
1 General Commands ................................................................................. 1
1.1 Querying the Manufacturer: +CGMI ............................................................................................. 1
1.2 Querying the Module Model: +CGMM ......................................................................................... 1
1.3 Querying the Version: +CGMR .................................................................................................... 2
1.4 Querying Device Manufacturer Information: ATI .......................................................................... 2
1.5 Obtaining the Module Software Version: +GMR .......................................................................... 3
1.6 Querying IMEI: +CGSN ................................................................................................................ 3
1.7 Querying the IMSI: +CIMI ............................................................................................................ 4
1.8 Obtaining the ICCID of the SIM Card: +CCID .............................................................................. 4
1.9 Enabling & Disabling the Terminal Display: ATE .......................................................................... 5
1.10 Restarting the Module: +SRST .................................................................................................. 6
1.11 Powering Off: +PWRD ............................................................................................................... 6
1.12 Getting ADC Value: +GETADC .................................................................................................. 6
1.13 Querying Environment Temperature: $MYADCTEMP ............................................................... 7
2 Mobile Device Control and Status Report ................................................. 9
2.1 Querying the Module Status: +CPAS ........................................................................................... 9
2.2 Querying the Network Registration Status: +CREG .................................................................. 10
2.3 GPRS Network Registration: +CGREG ...................................................................................... 11
2.4 Setting GPRS Attach and Detach: +CGATT .............................................................................. 13
2.5 Setting Module Functionality: +CFUN ........................................................................................ 14
2.6 Setting the Signal Indicator Mode: +SIGNAL ............................................................................. 15
2.7 Enabling or Disabling the Sleep Mode: +ENPWRSAVE ............................................................ 16
2.8 Clock: +CCLK ............................................................................................................................. 17
2.9 Setting the Baudrate of the Module: +IPR ................................................................................. 17
2.10 Entering the PIN Codes: +CPIN ............................................................................................... 18
2.11 Enabling PIN and Querying MT and Network Device: +CLCK ................................................ 19
2.12 Modifying the Password of the PIN: +CPWD ........................................................................... 21
2.13 Extended Error Report: +CEER ............................................................................................... 23
2.14 Setting Error Information: +CMEE ........................................................................................... 24
2.15 Enabling the Flow Control Function: +IFC ............................................................................... 25
2.16 Setting the Network Model: +PREF ......................................................................................... 26
2.17 Querying the Network Standards ............................................................................................. 26
3 Network Service Commands .................................................................. 29
3.1 Querying Signal Quality: +CSQ ................................................................................................. 29
3.2 Selecting and Registering a GSM Network: +COPS ................................................................. 30
3.3 Obtaining Module Location: +CIPGSMLOC .............................................................................. 32
3.4 Updating Time: +UPDATETIME ................................................................................................. 34
4 Calling Control Commands ..................................................................... 36
4.1 Setting the Speaker Volume: +CLVL .......................................................................................... 36
4.2 Mute Control: +CMUT ................................................................................................................ 36
