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HSDPA Standard At Commands Page 18 of 60 Version 1.2
General commands
ITU-T Recommendation V.250 [14] includes "Generic DCE Control" commands with the prefix +G.
These commands are for the identification of the TA. Four of those commands are adapted here to be
the identification commands of the MT. Syntax is otherwise similar but the prefix is +CG. TIA
IS-99 [15] uses same commands for base station identification.
Table 6. General AT command
Command Req Description Support
+CGMI Opt. Request manufacturer identification
supported
+CGMM Opt. Request model identification
supported
+CGMR Opt. Request revision identification
supported
+CGSN Opt. Request product serial number identification
supported
+CSCS Mand. Select TE character set
supported
+CIMI Opt. Request international mobile subscriber identity
supported
+CMUX Multiplexing mode Not supported
1.11. Request manufacturer identification(+CGMI)
Execution command causes the TA to return one or more lines of information text <manufacturer>,
determined by the MT manufacturer, which is intended to permit the user of the TA to identify the
manufacturer of the MT to which it is connected to. Typically, the text will consist of a single line
containing the name of the manufacturer, but manufacturers may choose to provide more information
if desired.
Table 7. +CGMI action command syntax
Command Possible response(s)
+CGMI <manufacturer>
+CME ERROR: <err>
+CGMI=?
value <manufacturer>: the total number of characters, including line terminators, in the
information text shall not exceed 2048 characters
1.12. Request model identification(+CGMM )
Execution command causes the TA to return one or more lines of information text <model>,
determined by the MT manufacturer, which is intended to permit the user of the TA to identify the
specific model of the MT to which it is connected to. Typically, the text will consist of a single line
containing the name of the product, but manufacturers may choose to provide more information if
desired.