A Great radar detector Resource. radar detector Governments responded with the laser gun know-how. The advantages of a laser gun are great : the laser light beam is far narrower than a radar beam, allowing more precise pinpointing of a particular automobile and the time wanted for capturing a speed reading is less than half a second vs. 2 to 3 seconds for radar. The drawbacks are also significant : laser guns are very costly, they cant be used from a moving motor vehicle or from behind glass, and exact aiming requires a stand or a very stable hand. In spite of early claims that the energy from a laser gun is not noticeable, it is. And as the laser beam moves away from the laser gun, it widens and becomes easier to detect. You should always try and determine whether a radar detector is lawful where you live, and if not, consider your actions carefully. Finally, the VG-2 radar detector recognition technology was introduced allowing the recognition of vehicles with operating radar detectors on board. radar detector City modes? They are essentially, the blanket term for exact radar and laser detection in heavy radar frequency zones. The city mode will turn down the range of detection on your unit and see less interference or fake alerts from external electrical mechanisms as well as other radar detectors in your immediate area. So, if you live or drive in more urban areas vs. rural ones, this would be a good selection for you. VG2, Spectre, and Unseen shielding technology. The VG2 alert is the basic technology that allows you to know when the police in your vehicles area are using radar detector detectors or VG2 systems, to differentiate whether you are using a radar detector or not. Police officials adopted the Spectre system for detecting radar detectors on a broader and more exact playing field, and so the Spectre alert on your new radar detector will let you know when it is in fact being used. This allows you time to shut off your own radar detector, when alerted. The Invisible technology you may want to look for in a higher-end radar detector will be almost undetectable to the above mentioned police-controlled devices, so you will never have to fret about shutting it down. First and foremost, you should think about your driving habits to avoid the need for having a radar detector at all. radar detector for bike radar detector legal