Yes.
Yes.
Only if he has his radar gun on. Radar detectors are not cop detectors.
Nope! totally sucks too. However you can buy a stealth radar detector such as the Beltronics STI, which is not susceptible to radar detector detectors (RDD's). Cops in VA are equipped with RDD's to give tickets to those using them.
Radar detectors are legal. Radar scramblers however are NOT legal.
The best radar detectors on the market are made by Beltronics. Beltronics is a leading manufacturer of the Vector, Professional, and Express radar and laser detectors.
Radar detectors are legal in the USA except in Virginia, Washington DC and on all military bases. Radar Jammers are illegal in Nebraska, Minnesota, Utah, California, Oklahoma, Virginia, Colorado, Illinois and Washington DC.
Laser detectors detect laser beams used by law enforcement to measure speed, while radar detectors detect radio waves used by police radar guns. Laser detectors are more precise but have a shorter range compared to radar detectors. It's recommended to have both types of detectors for comprehensive coverage.
Radar detectors are legal to use for all non-commercial vehicles in 49 states. Washington, DC and Virginia are the only two states that radar detectors are banned in the United States. Radar detectors used in commercial vehicles are illegal.
Radar Detectors in Oklahoma: Radar detectors are legal to use in Oklahoma.Laser Jammers in Oklahoma: Laser jammers are illegal to use in Oklahoma.Courtesy of: http://www.1stradardetectors.com/radar-detector-laws.php
Radar detectors are legal to use in Nevada, but as you stated they are illegal to sell.
Yes. Cobra detectors are the kia's of the radar detector world. There ok but dont expect much and don't expect reliability.
Valentine radar detectors are the most popular for their sounds.