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Quectel EC25 User Manual

Quectel EC25
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LTE Module Series
EC25&EC21 AT Commands Manual
EC25&EC21_AT_Commands_Manual 60 / 231
5 (U)SIM Related Commands
5.1. AT+CIMI Request International Mobile Subscriber Identity (IMSI)
The command requests the International Mobile Subscriber Identity (IMSI) which is intended to permit the
TE to identify the individual SIM card or active application in the UICC (GSM or USIM) that is attached to
MT.
Parameter
Example
AT+CIMI
460023210226023 //Query IMSI number of (U)SIM which is attached to ME
OK
Test Command
AT+CIMI=?
Response
OK
Execution Command
AT+CIMI
Response
TA returns <IMSI> for identifying the individual (U)SIM which
is attached to ME.
<IMSI>
OK
If there is any error related to ME functionality:
+CME ERROR: <err>
Maximum Response Time
300ms
Reference
3GPP TS 27.007

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Quectel EC25 Specifications

General IconGeneral
CategoryLTE Module
LTE TDDB38/B40/B41
WCDMAB1/B5/B8
GSM850/900/1800/1900 MHz
Data ratesLTE Cat 4: 150 Mbps DL/50 Mbps UL
GNSSGPS/GLONASS/BeiDou/Galileo/QZSS
Operating Temperature-40°C to +85°C
Form FactorLCC
Storage Temperature-45°C to +90°C
SIM Interface1.8V/3.0V
Antenna InterfaceMain, Diversity, GNSS
LTE FDDB1/B3/B5/B7/B8/B20
InterfacesUSB 2.0, UART, PCM, GPIO
Operating Voltage3.3V - 4.3V
ProtocolsTCP/IP, UDP, FTP, HTTP, HTTPS
CertificationsCE, FCC, PTCRB, GCF, RCM, IC

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