User Manual

11. IDENTIFICATION
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LZT 123 7263 R1A
11.10 AT+GMI Read Manufacturer Identification
This command causes the DCE to transmit one or more lines of
information text. Typically, the text will consist of a single line
containing the name of the manufacturer, but may provide more
information such as address and telephone number for customer
service.
11.11 AT+GMM Read Model Identification
This command causes the DCE to transmit one or more lines of
information text, determined by the manufacturer, which is intended to
permit the user of the DCE to identify the specific model of device.
Typically, the text will consist of a single line containing the name of
the product, but manufacturers may choose to provide any information
desired.
Description Command Possible Responses
Request manufacturer
identification
AT+GMI <manufacturer>
Test if command is
supported
AT+GMI=? •OK
•ERROR
<manufacture> Description
string type The total number of characters, including line
terminators, in the information text returned in response
to this command shall not exceed 2048 characters.
Note that the information text shall not contain the
sequence “0 ” or “OK”, so that DTE can avoid false
detection of the end of this information text
Description Command Possible Responses
Request revision
identification
AT+GMM <model>
Test if command is
supported
AT+GMM=? •OK
•ERROR
<model> Description
string type The total number of characters, including line terminators,
in the information text returned in response to this
command shall not exceed 2048 characters. Note that
the information text shall not contain the sequence “0 ” or
“OK”, so that DTE can avoid false detection of the end of
this information text