San Diego’s American Technology Corp. said today that U.S. military forces have placed additional orders totaling $400,000 for its Long Range Acoustic Device, or LRAD, for use at security checkpoints in Iraq. Unlike an ordinary loudspeaker, the LRAD emits a focused sound beam, which can carry  warnings or instructions beyond 500 meters. 

Bruce V. Bigelow was the editor of Xconomy San Diego from 2008 to 2018. Read more about his life and work here. Follow @bvbigelow

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