Hardware Related Commands TRM240

Hardware Related Commands

AT+QPOWD Power off

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The command is used to shut down the module. The UE will return OK immediately when the command is executed. Then the UE deactivates the network. After it is completed, the UE outputs POWERED DOWN and enters into the shutdown state. The maximum time for unregistering network is 60 seconds. The UE is not allowed to turn off the power before the module‟s STATUS pin is set low or the URC POWERED DOWN is outputted to avoid data loss.

AT+CCLK Clock

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The command sets and queries the real time clock (RTC) of the module. The current setting is retained until the module is totally disconnected from power.

AT+CBC Battery Charge

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The command returns battery charge status <bcs> and battery charge level <bcl> of the MT

AT+QADC Read ADC Value

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The command is used to read the voltage value of ADC channel.