About HFRGHow police are using soundwave technology for crowd control
Long Range Acoustic Devices are being embraced by law enforcement agencies as a powerful and versatile instrument of communication.
HFRG Updates
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Office hours for week of November 19-23, 2018 HFRG, Inc. will have a reduction of available office hours...
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Industry News
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How police are using soundwave technology for crowd control Long Range Acoustic Devices are being embraced by law enforcement...
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Blink of an Eye
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Christmas Office Hours The office of Human Factor Research Group, Inc. will be...
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Video Showing The Moment Notre-Dame Attacker Lunges At Cop With Hammer
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