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Topic: Using multiple sims/networks with the same gsm shield (Read 970 times) previous topic - next topic

vimukthiweerasiri

I have a aduino uno and a gsm arduino shield. I want to send sms with different gsm networks. Each at once.
As an example if I sent "1" to arduino, it should send a sms to my mobile with the network "AT&T" and if I sent "2", a sms should come to my mobile with the network "Mobistar".
There's only one sim slot in the gsm shield. How can I achive this?

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