Cgclass, Gprs Mobile Station Class - Fibocom G510 User Manual

For the simplest MTs, and for backwards compatibility with existing communications software, it is
possible to control access to the GPRS using existing modem-compatible commands. This "modem
compatible" mode of operation is described below.

12.2.1+CGCLASS, GPRS Mobile Station Class

This command is used to set the Module to operate according to the specified GPRS mobile class. If the
requested class is not supported, an ERROR or +CME ERROR response is returned. Extended error
responses are enabled by the +CMEE command.
Command
Set
Read
Test
Note: Issuing GPRS actions over a poor-quality connection may cause protocol errors and harm data
validity. To prevent these problems, Module is equipped with a protection mechanism that confirms GPRS
signal strength before issuing GPRS network-related commands.
The following table shows the +CGCLASS parameters.
<Parameter>
<class>
Example:
AT+CGCLASS=?
+CGCLASS: ("B")
OK
Note: If a SIM card without GPRS allowance is used:
AT+CGCLASS=?
G5/G6-Family AT Commands User Manual
Syntax Response/Action
AT OK
+CGCLASS=<cl
or:
ass>
+CME ERROR: <err>
AT +CGCLASS? +CGCLASS: <class>
OK
AT +CGCLASS: (list of
+CGCLASS=? supported <class>s)
OK
Description
String parameter that indicates the GPRS mobile class:
B meaning mobile class B
Remarks
Set GPRS mobile class
The Read command returns the
current GPRS mobile class.
The Test command is used for
requesting information on the
supported GPRS mobile classes.
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