User Manual

Table Of Contents
SARA-R4 series-AT commands manual
UBX-17003787 - R16
4General
Page 24 of 401
4.5.3Defined values
Parameter Type Description
<version> String Firmware version
SARA-R4 / SARA-N4
The firmware version is returned together with its release date reported within
square brackets.
4.6Firmware version identification +GMR
+GMR
Modules All products
Syntax PIN required Settings saved Can be aborted Response time Error referenceAttributes
full No No No - +CME Error
4.6.1Description
Returns the firmware version of the module.
4.6.2Syntax
Type Syntax Response Example
Action AT+GMR <version>
OK
11.40
OK
4.6.3Defined values
Parameter Type Description
<version> String Firmware version
SARA-R4 / SARA-N4
The firmware version is returned together with its release date reported within
square brackets.
4.7Request product serial number identification +CGSN
+CGSN
Modules All products
Syntax PIN required Settings saved Can be aborted Response time Error referenceAttributes
partial No No No - +CME Error
4.7.1Description
Returns the International Mobile station Equipment Identity (IMEI) number and related information to identify
the MT that the TE is connected to.
4.7.2Syntax
Type Syntax Response Example
Generic syntax
Set AT+CGSN[=<snt>] [+CGSN: ]<param_val>
OK
AT+CGSN=0
357520070120767
OK
Serial number request
Set AT+CGSN[=0] <sn>
OK
AT+CGSN
357520070120767
OK
IEMI request
Set AT+CGSN=1 +CGSN: <imei>
OK
AT+CGSN=1
+CGSN: "357520070120767"