Everyone likes accelerate their car to maximum on a stretching highway that we fail to notice the speed limit whose sequel would be cops flashing us the fine ticket what worse we might even see our car moved to the control room. All these can be avoided if we have a Radar detector fixed in our vehicle, Radar detector works on Doppler effect where the transmitted pulse frequency and reflected pulse frequencies are compared to determine the speed of the vehicle. Before equipping radar we first need to know how to choose a radar detector with lots available in market. Many people like tha fact that they can be warned before being warned by the law enforcement staffs like the police. This will also help them from saving money by not paying any extra fine. There are many such radars available but how to choose a radar detector? For this question to be answered read the following article.