LE910Cx AT Commands Reference Guide
80502ST10950A Rev. 14 Page 133 of 1904 2022-03-04
3.2.2.19. AT+GSN - Serial Number
This command reports the device board serial number.
ITU-T Recommendation V.25 ter
AT+GSN[=<snt>]
Execution command returns the device board serial number. The number
returned is not the IMSI, but it is the board number.
Parameter:
<sn> - Indicate the product "serial number", identified as the IMEI of
the mobile, without command echo.
<imei> - International Mobile station Equipment Identity; IMEI is
composed of Type Allocation Code (TAC) (8 digits), Serial Number
(SNR) (6 digits) and the Check Digit (CD) (1 digit).