Quectel EC25

LTE Module Series
EC25&EC21 AT Commands Manual
EC25&EC21_AT_Commands_Manual 17 / 231
2.9. AT+CGSN Request Product Serial Number Identification
The command returns International Mobile Equipment Identity (IMEI) number of ME. It is identical with
AT+GSN.
Parameter
The serial number (IMEI) varies with the individual ME device.
2.10. AT&F Set all Current Parameters to Manufacturer Defaults
The command resets AT command settings to their factory default values.
AT+CGSN Request Product Serial Number Identification
Test Command
AT+CGSN=?
Response
OK
Execution Command
AT+CGSN
Response
<IMEI>
OK
Maximum Response Time
300ms
Reference
3GPP TS 27.007
<IMEI> IMEI of the ME
AT&F Set all Current Parameters to Manufacturer Defaults
Execution Command
AT&F[<value>]
Response
TA sets all current parameters to the manufacturer defined
profile. See Table 8.
OK
Maximum Response Time
300ms
Reference
V.25ter
NOTE