What is a radar detector and how it differs from trap warning? Radar Detector - a passive electronic device early warning radars on the road patrol service (hereinafter DSS). He picks up radio signals emitted by radar DPS, and informs the driver (passive means that it can only receive and process radio signals, he thus does not emit any radio signals). As a rule, the following parameters: - weight 100-300g - 12V (connects via the cigarette lighter socket), there are models with batteries that can be used radar detector while traveling without wires - Installation is usually possible in two ways: to "torpedo" in front of the windshield (on the double-sided tape) or directly on the windshield (on the sucker). Are spaced radar-detectors (in this case, all the main parts of the device installed "inside" the machine, and to "torpedo" is only a device with sound and light warning). - Alerting the driver can be in the form of a sound signal (short beeps of different pitch and intensity, or a warning voice on irradiation-specific frequency), and light indicators (LEDs or image on the LCD display) - A list of frequency bands, which employ Radars DPS, and that captured specific radar detector. Often referred to as trap warning radar detectors, meaning the same device. But the trap warning (even from its name) - are active electronic devices that give interference to the radar DPS in the form of a distorted (amplitude or frequency) signal. That is, can drown out trap warning radar signal DPS, issuing his own, more powerful. In practice, it might look as follows: when the machine speed 101 km / h on the scoreboard radar DPS is displayed, for example, 59.0 km / h. But the price of such a device a few thousand dollars, and its radiation it can affect the performance of radar DPS. Whether these devices are legal? Conventional passive radar detectors, which only report on the work of traffic police radars in Russia quite legally produced and sold. With regard to trap warning, these devices are prohibited for use because they drown out the state rate, which by law are not allowed to do. In addition, their use is regarded as deliberate obstruction of law enforcement bodies and faces a fine of a few tens of minimum wages with confiscation of the device. When the radar detector will not help? Leaving aside the problem, "cooperative" Chinese device and simply cheap and frankly substandard equipment, here there are options: 1. There is a set of measurements of speed without radar. For example, on the Ring Road is a system ACL-4, which is a set of cameras, combined with the computer. The camera captures a moving object, and the program calculates how much time it passes a certain distance. Against such complexes detector is powerless - in this system simply does not have radar, which emits a signal. 2. Radar Detector "intersect" signals working radar that measures the speed of other traffic participants. Therefore, if you're in the area of ??visibility of radar and your machine first, in which measures the speed (before the radar was not working) - then all you got caught. This situation, commonly referred to as "bummed in the forehead." 3. Existence of a block of laser detection in radar detector for Russia has a very low priority, because used mainly in cities like Moscow, St. Petersburg Russian only rangefinders LISD-2M/2F have a basic working wavelength of infrared radiation at 800 nm. This wavelength is almost not detected by some laser / radar detectors, as they have the input photodiode with a basic working wavelength from 855 to 955 nm. That is, if you often do not attend to his car to Moscow and St. Petersburg, then the cons of radar detectors Nos. 1 and 3, you will not need to touch. Can a radar detector to lose in range? None. The detector "sees" a priori on the radar. The principle of speed measurement radar - it emits and receives the reflected. Speed ??calculation is based on the Doppler effect - the frequency shift of the signal reflected from a moving object. At a great distance from the car reflected signal is weak enough to accept it and process, and the output signal is strong enough that it could be detected. Depending on conditions, the working range radar - 200-700 meters, radar detector - 800-1100 meters for laser and 1500-3000 meters for all others. Therefore, if the front on the highway running radar detector will detect it before the car will drive into the zone of its action. Which countries have banned radar detectors? Radar detectors are banned in Finland, Latvia, Lithuania, Estonia, Sweden, Denmark, Poland, Hungary, Austria, Spain, France, Belgium and Switzerland. Interestingly, even within the EU relating to radar detectors varies widely. For example, in Luxembourg for the use of radar detector you can end up in jail, but in Germany such a device can be used freely. The German police even conducted the action, which the driver gave a radar-detectors. Road service in hazardous locations pose "beacons" that mimic the signals of radars. Such "false radar" is placed in the U.S.. In Germany and most states in the U.S. believe that the radar detector discipline the driver, forcing him to reduce speed. Yet, because the laws often are revised and changed before turning radar detector abroad, it is better to find out further - it allowed for use in a given country or not. Needed or not? In today's time when everywhere are automatically installed radar complexes videofiksatsiey (often called "camera"), which increased penalties for speeding, when the government tries to supplement the budget by any means ... easy to ride an ordinary driver is impossible. A good radar detector will help determine if working radar and DPS will advance to slow down. Thus: - save your nerves (most importantly) - reduced travel time (an average of 15 minutes for every 100 km of the road) - save the family budget in the absence of fines. Depending on the features, well-functioning radar detector you can buy in the range from 2500 to 6000 rubles. Thus, when the average penalty for exceeding the speed of 300 rubles, the machine will pay for 2 - 3 months, not to mention a maximum fine of 2500 rubles or the deprivation of rights. But in the end, whether you need peace of mind during your trip, you decide.
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