2 ms·
Uhm, this thing jams with ultra-sound and not with radio waves. Are you sure we have laws against that too? Wouldn't surprise me either way.
by krisoft 7y ago
Uhm, this thing jams with ultra-sound and not with radio waves. Are you sure we have laws against that too?
Wouldn't surprise me either way.
- buckminster 7y agoSimilarly high-pitched devices are sold to dissuade congregating teenagers. They are not illegal, in the UK anyway.
- justinjlynn 7y agoThey should be illegal when used for that purpose. They're extremely loud and damage hearing directly. It's like blasting an air horn in someone's ear.