Then get a Stinger. A K40 would be a downgrade.
Sept 2015 RD Testing: Stinger VIP, Cobra DSP, Radenso Pro SE, etc. - Radar Detector & Laser Jammer Forum - RDForum - RadarDetectorForum
Comparing the top integrated remote radar/laser packages - Radar Detector & Laser Jammer Forum - RDForum -...