Long Range Acoustic Device

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The LRAD is the round black device on top of the New York City police Hummer.

The Long Range Acoustic Device (LRAD) is an acoustic hailing device and sonic weapon developed by LRAD Corporation to send messages, warnings, and harmful, pain inducing tones over longer distances than normal loudspeakers. LRAD systems have been used to counter piracy, as non-lethal crowd control weapons, and as communication devices.

• See also: Wikipedia, Commons

• Related: Active Denial System

Official website Official website www.lradx.com/site/content/view/15/110/ - Web

LRAD LRAD www.defense-update.com/products/l/LRAD.htm - Web

"How LRAD Works" "How LRAD Works" science.howstuffworks.com/lrad.htm/printable - Web

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