A Great radar detector Resource. radar detector If you are contemplating the purchase of an active radar jammer for your car, you should know that they are against the law and have been barred by the federal government since December of 1977. The FCC has forbidden the use and the sale of these devices and the consequences for continually and willfully using them can be extreme. Per the FCC, you could be fined as much as $11,000 per infringement (with a maximum sum of $75,000) and you could be sent to jail. Avoid expensive speeding tickets with a radar detector. You should also reconsider your driving habits to try and avoid the need for having a radar detector at all. marine radar detector