Do you know which ones don't
I know that the ****** 9500ci with ZR4 jammers is bad about giving jam codes. If you get the LaserShifter Pro (rebranded Laser Interceptor), Blinder, Laser Interceptor, and ALP are much better about that. Plus, if you use JTK, and he gets a jam code and then gets a reading, he'll probably think he just got a bad reflection or a random sun ray through it off.
Unless you just run into an LEO having a bad day, odds are he's not going to pull you over to search for jammers when he can get another vehicle speeding within five minutes.
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