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On 02/15/2017 08:32 PM, Razer wrote: > > > On 02/15/2017 05:13 PM, grarpamp wrote: >> [1] 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 connection. -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.22 (GNU/Linux) iQEcBAEBAgAGBQJYpQwtAAoJEECU6c5XzmuqjmMH/2+owtbR5PjRbWrHPWF67xS6 AP7lhwRplK5JBEsFcdx2ZZc14BMfdkS+wTGMTe+C6kXyEpPhmdhAOGfalyx9DV31 BR+c+cl/ejz7BeEImAHXaYeBI3p6eklqynxXHFuEgHml4ZSrCEszkwVVmSWsbUuj D5JyIbAYTuF78mKmRATO0ne+Nze9/4Ocj/CyUK0J9ngCK0CIim6faQ3loJK+njcI rjD3VdHfcrveqTgQZInHKZM9JYMVfQyLJGOnMCzML4wjpwukMB9nI4HmD9xwwTau hMOB920XcV5kaBwvRIrCNLHP8BHNJFiND+ol6iz31tiTJ0sjtiwrTKb0QIXPZIg= =uq2K -----END PGP SIGNATURE-----