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FIBOCOM L860 AT Commands User Manual
Page 24 of 254
3.1.11 +GSN, Request Product Serial Number Identification
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.
Command
Description
Execution
[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+GSN
[Response/Action]
+GSN: "<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+GSN?
[Response/Action]
+GSN: "<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