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Write Command
AT+CSDT=<mode
>
Response
OK
ERROR
Parameter
<mode>
0 Switch off detecting SIM card
1 Switch on detecting SIM card
Note: when the detecting function is activated, the status of sim card will auto report via the
serial port. The sensing of a hot removal of the SIM is not supported during power saving mode
(AT+CFUN=4).
Figure 16: Installation of SIM Card
7
Electrical, Reliability and Radio Characteristics
7.1
Absolute Maximum Ratings
The absolute maximum ratings stated in following table are stress ratings under
non-operating conditions. Stresses beyond any of these limits will cause permanent damage to
HDM1004G.