We are looking at new cars..Volvo, Acura, Audi. Some have radar assists for obstruction detection, active cruise control, blind spot monitoring, etc. But no one can tell us what wavelengths they use and whether they will upset our Valentine One. Has anyone had any radar interference problems with Volvos? Also, which cars have windshields that are not transparent to RF?
I found this info on Volvo, Mercedes, and Honda
Mercedes uses 24 and 77 GHz frequencies. The 24 GHz signals may set off K band detectors.
Volvo's forward-looking City Safety feature uses LIDAR, which they confusingly call radar. That shouldn't interfere with X, K, or Ka radio frequency bands used for traffic enforcement, but it may affect the Traffic Laser detection band of 820-950 nanometers.