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How to force sending a SMS to every phone within a small area using SDR?

+1 vote
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I would like to know what do I need to have/do in order to star working on this. My main Idea is to use SDR (maybe USRP, maybe GNU Radio HW) to fake a BaseStation (transmitting in a high power, I guess) so all the cell phones within a small area would receive Broadcasted SMS. This is intended to be used in rescue labours and looking for missing people/children in crowded areas such as beaches, concerts, etc. ANY help or comments that you could give is going to be helpful. Thanks, so much thanks in advance.

posted Jul 19, 2016 by Ronald Hudson

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