Escort 360ci, Radenso ... AntiPriority I have heard have the best laser jammers. I have a K40 built-in front/rear with front dual jammers in FF, escort window mount in CTS-V. K40 is not as good as it used to be, but it has proved itself many times.
My K40 setup has lights built into the steering column to let you know what is going on and a remote. laser has two of the units pictured up front in grill. Radar has just one up front and another in rear (hidden).