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Re: Net Result of Snowden
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On 02/15/2017 08:32 PM, Razer wrote:
> On 02/15/2017 05:13 PM, grarpamp wrote:
>>  None of the phones I've wrapped in a single layer of
>> standard weight foil folded over once at the edge have been able
>> to send or receive calls / sms / data (cellular or wifi).
> I'd been waiting for someone to say this. The RF power output is
> pretty low to start with and almost any metal surrounding,
> especially if it's grounded, would mean the surveillance device
> would have to be with the phone... even if the cage leaked the
> signal strength would be almost nil.
> But don't forget the "Aftercare"... It ALWAYS works.
Also, don't forget that a cell phone that appears to be "off" is not
reliably so if the battery is connected - and it may be recording
everything it hears for transmission the next time if finds a network
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