Quectel EC25 User Manual

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

Quectel EC25 Specifications

General

Category	LTE Module
LTE TDD	B38/B40/B41
WCDMA	B1/B5/B8
GSM	850/900/1800/1900 MHz
Data rates	LTE Cat 4: 150 Mbps DL/50 Mbps UL
GNSS	GPS/GLONASS/BeiDou/Galileo/QZSS
Operating Temperature	-40°C to +85°C
Form Factor	LCC
Storage Temperature	-45°C to +90°C
SIM Interface	1.8V/3.0V
Antenna Interface	Main, Diversity, GNSS
LTE FDD	B1/B3/B5/B7/B8/B20
Interfaces	USB 2.0, UART, PCM, GPIO
Operating Voltage	3.3V - 4.3V
Protocols	TCP/IP, UDP, FTP, HTTP, HTTPS
Certifications	CE, FCC, PTCRB, GCF, RCM, IC