Quectel UG Series User Manual

UMTS/HSPA Module Series
WCDMA UGxx AT Commands Manual
WCDMA_UGxx_AT_Commands_Manual Confidential / Released 62 / 247
5 SIM Related Commands
5.1. AT+CIMI Request International Mobile Subscriber Identity (IMSI)
AT+CIMI 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) which is attached to MT.
Parameter
Example
AT+CIMI
460023210226023 //Query IMSI number of SIM which is attached to ME
OK
AT+CIMI Request International Mobile Subscriber Identity (IMSI)
Test Command
AT+CIMI=?
Response
OK
Execution Command
AT+CIMI
Response
TA returns <IMSI> for identifying the individual SIM which is
attached to ME.
<IMSI>
OK
If error is related to ME functionality:
+CME ERROR: <err>
Maximum Response Time
300ms
Reference
3GPP TS 27.007
<IMSI> International Mobile Subscriber Identity (string without double quotes)
Quectel
Confidential

Quectel UG Series Specifications

General

Brand	Quectel
Model	UG Series
Category	Control Unit
Language	English