Blocking locator-type devices

[Ben Laurie]

Ian Brown wrote:
> 
> After all the mobile phone debate, here's another angle: car tolls...
> --
> . . .
> Both CalTrans and the Golden Gate Bridge District also offer shielded bags
> that customers can slip the transponders into when they would prefer to pay
> cash. (Golden Gate gives them to everyone, but you have to ask CalTrans.)
> 
> Frank McGonigal, who manages the FasTrak project for CalTrans' contractor,
> Adesta Transportation Systems of New Jersey, said he usually tucks the
> transponder under his leg when he is testing the system and doesn't want the
> toll to register . . .

Hmmm ... so do these bags work on mobile phones?

Cheers,

Ben.

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