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asked this question on 06-24-2021 at 10:40 AM
06-24-2021 at 10:40 AM
There is no one correct answer to your question. It depends on so many factors. Terrain, weather, location/direction, stationary vs moving, traffic, radar band, constant vs instant-on, and more. On a straight, flat road, with no particular issues, it is not uncommon to get an alert well over a mile from the source, and generally you'd expect much more than that. But if you get an off-axis hit, it could be very short. Over time you'd get used to your detector and have better ideas, but in my experience, you'd nearly always have that much time or more with this level of a detector on most bands.
Laser is a different story. Usually if you get a laser hit , it's a ticket notifier function, because the narrow laser beam has hit your car at the time it is detecting it. Doesn't work the same way radar beams do, where a good detector will alert you before the signal will alert the LEO.