The High Energy Radio Frequency weapons reference article from the English Wikipedia on 24-Apr-2004 (provided by Fixed Reference: snapshots of Wikipedia from wikipedia.org)

High Energy Radio Frequency weapons

HERF or High Energy Radio Frequency weapons, also known as HPRF or High Power Radio Frequency weapons are weapons designed to use high intensity radio waves to disrupt electronics. They operate in a similar way to EMP devices, by inducing destructive voltage within the electronic wiring. They are usually directional and can be focused on a specific target.

Faraday cages may be used to provide protection from HERF and EMP effects.

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