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FIBOCOM L860 AT Commands User Manual
Page 23 of 254
Command
Description
[Syntax]
AT+CGSN
[Response/Action]
<imei>
OK
Read
[Function]
This command displays the product serial number identification IMEI (International
Mobile Equipment Identification). It can be used even when the SIM card is not
inserted.
[Syntax]
AT+CGSN?
[Response/Action]
+CGSN:
"
<imei>
"
OK
Test
N/A
Parameters
The IMEI (International Mobile Station Equipment Identity) number is composed of 15
digits, as specified by 3GPP TS 23.003. IMEI numbers are composed of the following
elements, all in decimal digits:
Type Approval Code (TAC) - 8 digits
Serial Number (SNR) - 6 digits
Spare digit - 1 digit
The TAC and SNR are protected against unauthorized changes.
Example
AT+CGSN?
+CGSN: "865204020007540"
OK
AT+CGSN
865204020007540
OK
Reference
3GPP TS 27.007