[Smgs1992]

Well first off a laser jammer is illegal. So if you do not know how to properly use one then you will still get pulled over and face more serious consequences than had you just been caught speeding.
Unless youre doing stuff such as cross country road rallies i would avoid a laser jammer as it can be more trouble than its worth to a novice.
Most high end radar detectors will offer great range anyway. My escort passport 9500ix has 3-4mile range on open highways. More than enough time to slow down unless they hit you with laser at which it doesnt really matter what equipment you have they already busted you. Not very commonly used though as its range is rather short and direct unlike other options.
I’d suggest looking into options such as the escort max 360 or valentine v1 gen2 and just stick with a radar detector. These options will run you around $500-600 and i have not gotten a ticket or been pulled over since i bought mine which is an older model.