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A comment on California Police Used Stingrays in Planes to Spy on Phones. Parent comment

Re:California Police Used Stingrays in Planes to Spy on Phones by voltagex_ on Thursday January 28, 2016 @12:32AM (#10986491)
What advantage does this give you?
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Re:California Police Used Stingrays in Planes to Spy on Phones by c22 on Thursday January 28, 2016 @01:02AM (#10986598)
Presumably by using a one-way pager network it gives you the opportunity to be completely passive (thereby undetectable) until you decide to initiate an actual call.
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