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I don't think your allowed in the US to send fake pulses. Something FCC...

Otherwise I'd think you'd see a lot of radar dector jammers on the market.

Laser and radar jammers do exist and is usually targeted at high end car folks. It’s not legal obviously.

Radars jammers aren't legal (because radio waves are regulated by the FCC), but laser jammers are actually legal in most of the US (because light is regulated by the FDA):

https://youtu.be/vQtLms02PFM : popped out today on my YouTube feed, pretty relevant to this whole discussion (and also really worth talk)

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