Sonic with a gun8/25/2023 ![]() ![]() At a distance, an LRAD deterrent tone may sound like any other alarm.īut while whistles emit sound waves in all directions, LRADs concentrate the waves in a narrow cone of sound, extending about 15 degrees in every direction from the axis, like a flashlight. The principle behind using an LRAD as crowd control, rather than for long-distance communication, is similar to the idea behind a whistle or a siren: they all emit tones in the most sensitive range of frequencies for most humans. Watch This Protester Instantly Neutralize Tear Gas
0 Comments
Leave a Reply.AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |