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Chengdu Ebyte Electronic Technology Co., Ltd.
command
Command
characters
type
query
command
Parameter
Description
CGMI
Return value
( Read the
description
manufacturer's
logo )
Example
Precautions
command
Command
characters
type
query
command
Parameter
Description
CGMM
Return value
( Read the
description
module ID )
Example
Precautions
command
Command
characters
type
query
command
Parameter
Description
CGMR
Return value
( read version
description
ID )
Example
Precautions
command
Command
characters
type
query
CGSN
( Read the
command
product serial
Parameter
number logo )
Description
Copyright © 2012–20 2 1 , Chengdu Ebyte Electronic Technology Co., Ltd.
command format
AT+CGMI?
<manufacturer>: Manufacturer ID
AT+CGMI?
+CGMI=Ebyte
OK
command format
AT+CGMM?
<model>: Module ID
AT+CGMM?
+CGMM=E78- 915 LN22S (6601)
OK
command format
AT+CGMR?
<revision>: version number
AT+CGMR?
+CGMR=SF V1.0
OK
command format
AT+CGSN?
<sn>: Product serial number identification
E78-915LN22S(6601) User Manual
response
+CGMI=<manufacturer>
OK
response
+CGMM=<model>
OK
response
+CGMR=<revision>
OK
response
+CGSN=<sn>
OK
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