Long Range Acoustic Device (LRAD) G20 Pittsburgh

The LRAD (Long Range Acoustic Device) was used for the first time in the USA in Pittsburgh during the time of G20 summit on September 24-25th, 2009

Portland Police Bureau demonstrates ‘LRAD’ device

Portland Mayor Ted Wheeler said Friday he told police not to use a device that emits a loud sonic tone for anything other than sharing information.

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