[jimberg]

I think it's a given that most states that use this equipment for measuring speed has laws against attempts to interfere with the equipment. It violates FCC regulations to broadcast on a frequency that you aren't authorized to use, especially if it's for the purpose of interfering with the intended use of the frequency. I don't think cops will or even can enforce federal laws, nor can I see them calling in the FCC to handle it for them.

If someone is selling a laser jammer, I'd sure as heck make sure it actually works before putting it to use. My guess is that you can't really jam lasers without actually shooting a laser directly at the speed measuring device.