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Everything You Wanted To Know About Radar Detectors

Jan 22, 2008
For most of the drivers in the United States, radar detectors are common electronic devices that are widely used in the cars to determine if the speed is monitored by the police radar unit.

The interesting part is that studies claim that the vehicles using radar detectors have a reduced threat of accidents whereas the police believe that vehicles using radar detectors have a greater risk of accidents.

That it why, use off the radar detectors is illegal in some parts of the United States and most parts of Canada and other countries such as Australia. So before you want to buy a radar detector it is better to check with the legal guidelines on the use of it, that are prevailing in your state.

Lets understand how this device works. In most of the cases, the radar unit bounces a radio wave off a moving vehicle with help of a radar gun that in turn determines the speed of the vehicle. With the change in the technology, the new speed detection devices used by the radar units are based on pulsed laser light, which is commonly referred to as LIDAR, rather than using the radio waves.

Similarly the modern radar detectors have been upgraded to alert to the infrared light emitted by such LIDAR guns. But the new radar detectors are not always effective to detect the LIDAR detection. This is mostly so as the output beam produced by the LIDAR guns is
very focused.

While radar's radio waves can expand to 85 feet across at 1000 feet from their source, LIDAR's light beam expands to only about 6 feet making it very difficult to detect them.

And that is why most of the time, the driver is caught unaware of the beams and they commit mistakes.So many of the new age radar detectors fail, mainly while detecting the focused beams produced by the LIDAR.

They do not scramble or absorb the many or all of their products do not affect radar and laser signals in any way. And if by any chance these products do transmit any type of radar scrambling pulses, then they are completely illegal and can invite legal action against the motorist.

So actually, actively transmitting on an FCC licensed frequency without a license is a violation of FCC regulations and a felony. LIDAR jammers are legal in most states and are regulated, much like police LIDAR guns; by the FDA as Class I laser devices.

There are many companies in the manufacturing of radar detectors. The popular of them are Escort, Cobra, Whistlers etc. When buying a radar detector, ensure that you are buying a model that has been approved by the concerned authorities.

Also look for the advanced features and go in for product comparisons wherein you can read the product reviews and also check with the pricing of the radar detectors.
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