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SIM900 AT Command Manual

SIM900_AT Command Manual_V1.03 140 12/24/2010

+CMTE: <mode><Temperature>

AT+CMTE?

Parameters

See Write Command

Response

ERROR

Write Command

AT+CMTE=

<mode>

Parameters

<mode>

0 disable temperature detection

1 enable temperature detection

<Temperature> range of -40 to 90

Reference Note

z When temperature is extremely high or low, product will power off.

z URCs indicating the alert level "1" or "-1" are intended to enable the

user to take appropriate precautions, such as protecting the module

from exposure to extreme conditions, or saving or backing up data etc.

z Level "2" or "-2" URCs are followed by immediate shutdown.

6.2.28 AT+CBTE Battery Temperature Query

AT+CBTE Battery Temperature Query

Response:

+CBTE: <voltage>

Read Command

AT+CBTE ?

Parameter

<voltage> battery voltage(mV)

Reference Note

z Only supported in SIM900D

z The temperature can be calculated according to the resistance of NTC

and the voltage supported by this command.

6.2.29 AT+CSDT Switch On or Off Detecting SIM Card

AT+CSDT Switch On or Off Detecting SIM Card

Response

+CSDT: (0-1)

Test Command

AT+CSDT =?

Parameter

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