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^^ Sure, let's throw our hands up and not do anything then. I mean, they'll send messages out anyway, lets not even bother imprisoning them.
I still have no idea why there are folk against jamming the signal. CDMA does work on multiple frequencies but it also has to be a designated frequency. Let the inmates go back to codewords and notes. Besides the digital nature of these frequency transmissions will ensure all non-FM/HFM frequencies don't get through.
EDIT: I meant to say CDMA works on multiple channels of the same frequency.
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