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Rattlegram is a free smartphone app where you can send text messages over radio, independent of the mobile phone network. All you need is an FM transceiver, mobile phone and the app. In this video I give it a try.
Further information:
* Ribbit website www.ribbitradio.org/
* Rattlegram info www.aicodix.de/cofdmtv/rattle...
* A club presentation www.gars.org/presentations/20...
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