The best replacement for radar detector is jammer.

The best alternatives to radar detector are rated as following:
★★★★★  jammer
★★★★★  laser jammer
★★★  radar jammer
★  laser detector
★  cobra
★  escort
★  radar gun
★  beltronics
  valentine
  scrambler jammer

Your alternative for radar detector is not listed? Suggest!
Speaking about radar detector, one probably shouldn't forget about gps.

Other search terms related to radar detector and their ratings are:
★★★★★ gps
★ gps navigation
★ navigation
gps system
navigation system
You have in mind a companion for radar detector and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of radar detector in all years. Click on graph for more.
radar detector
jammer
laser jammer