STiR Plus, custom installed radar detector, provides the very best performance achievable for a radar detector, and it includes a Frequency Control program, only available with the STiR Plus. It can prevent a speeding ticket and is designed by Beltronics as a radar detector with hidden install, providing Ka Radar, Ka Frequency Programming for all Ka radar bands, False Alert Learning and Memory to drastically reduce False Radar Alerts; Photo Speed Camera alerts and WEB downloads. The STiR Plus is 100% invisible to all RDD around the world such as VG2, VG4, all forms of Spectre, all forms of Stalcar and OPP Spectre up yonder in Canada. Radar Detector Reviews of the STiR Plus. It is the best radar detector for hidden installation in any country today. Add HP905 Quad Laser Jammer, ShifterPro, Dual or ShifterPro, Quad for laser gun protection. Add ProDB Photo Blocker to protect against picture attempts by Speed Cameras, red light cameras, toll cameras and mobile proto radar vans.