AT Commands Phone Terminal Terminated 21
AT+CGMM Request Model Identification
AT+CGMR Request Revision Identification
AT+CGSN Request Product Serial Number Identification
Description: The command causes the phone to return one or more lines of information text
<model> which is intended to permit the user of the ITAE/ETAE to identify the
specific model of phone to which it is connected to.
Execution command: AT+CGMM
Execution command
response:
<model_type><model_name>
Test command: AT+CGMM=? Shows if the command is supported.
Parameters:
<model_type>: 10-character ASCII string; padded with space if needed.
<model_name>: Model name for transceiver unit.
Description: The command causes the phone to return a string containing information regarding
SW version.
Execution command: AT+CGMR
Execution command
response:
<revision>
Test command: AT+CGMR=? Shows if the command is supported.
Parameter:
<revision>: An ASCII string containing software revision plus KRC number.
Example: AT+CGMR
R1A091 CXC125112
OK
AT+CGMR=?
OK
Description: Returns the IMEI number of the phone.
Execution command: AT+CGSN
Execution command
response:
<sn>
Test command: AT+CGSN=? Shows if the command is supported.
Parameter:
<sn>: String; contains the phone IMEI.
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