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After the status result code, the g20 accepts new commands from the terminal.
Set Command
The Set command causes the DCE to receive HDLC framed data using the modulation mode selected in <MOD>, and deliver
the next received frame to the terminal.
Command
+FRH = <MOD>
MOD = 3 (Clause 2/V.21) rate 300 bps, is mandatory.
Note
4.15
FEATURES
4.15.1
STK
The SIM Application Toolkit is a set of applications and related procedures, which may be used in conjunction with SIM or
Smart Cards during a GSM session.
The following scheme shows the SIM Toolkit functionalities commands and unsolicited results that are implemented. All these
commands are non-basic commands.
• In the first step, the customer application informs the g20 module that it wants all features to be supported. This operation is
performed using the AT+MTKE (Motorola ToolKit Enable) command, which allows activating or deactivating the SIM
Toolkit functionality.
98-08901C68-O
Response/Action
AT+MTKE
Activation
+MTKP
SIM sends pro-active command
Customer
Application
AT+MTKP
User response to the SIM
Figure 16. SIM Toolkit
AT Commands Reference
g20
Module
237
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