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Topic: Low power GSM module+Uart interface MCU  (Read 515 times) previous topic - next topic


1. I am looking for GSM module for battery powered application, which can be then interface with MCU over uart with AT commands.

Module should be complete i.e. insert sim & make connections with uart over MCU & ready to go.
I have to send/receive sms.

2. Earlier I have tried both SIM900A & SIM300, they are not suitable for battery power application.
One I had tried is:

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