HUAWEI MU509 HSDPA LGA Module
AT Command Interface Specification
Identification Commands
Issue 04 (2013-01-28)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
54
Table 4-1
The structure of IMEI
8 char
6 char
1 char
TAC
SNR
Spare
TAC: Type code allocated for device
SNR: Sequence number of the device
Spare: For standby purpose
4.5.4
Examples
If TAC is "35178203", SNR is "002894", and Spare is "6", then
AT+CGSN
351782030028946
OK
4.6 +CIMI–Request IMSI
4.6.1
Command Syntax
Command
Possible response(s)
+CIMI
<CR><LF><IMSI><CR><LF>
<CR><LF>OK<CR><LF>
In case of MT-related error:
<CR><LF>+CME ERROR: <err><CR><LF>
+CIMI=?
<CR><LF>OK<CR><LF>
4.6.2
Description
This command is used to query International Mobile Subscriber Identity (IMSI) of
SIM/USIM.
4.6.3
Defined Values
<IMSI>: string values without quote, the IMSI stored in the SIM/USIM. The digits are
decimal numbers that range from 0 to 9.