[impossiblefork]

Yes, but these kinds of systems are not actually very good as military weapons. They are easily countered by simply shooting the operators.

[dmurray]

Are they? They seem easy enough to operate remotely, or by a guy in a tank or a bulletproof Popemobile or whatever.

[impossiblefork]

It's probably something like a horn, or a speaker. A couple of bullets are probably enough to break it.