Cellphone Bomb Jammer

This image was lost some time after publication, but you can still view it here.
This image was lost some time after publication, but you can still view it here.

The world may never know if there are or aren't cell-phone bomb jammers out there, but DefenseTech has stumbled on a patent that may shed light on the subject:

The device includes a transmitter that mimics a cell phone base station and a metal horn to concentrate the signal from a 10 milliwatt power source in a single direction. Scanning... a concealed phone... with the tool... tricks it into thinking it is in range of a new network base station and blocks it from any genuine stations in the vicinity.

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It seems that the overhead would be a little high to create a full cellphone jammer and, according to folks in Iraq, most IEDs use cordless phones instead of relying on Iraq's spotty cell network.

Phone Bomb Interceptor on the Line? [DefenseTech]

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