1). Introduction to Radar Detectors By : Stefan Rockhaus
A radar detector is an electronic device used by motorists to determine whether their speed is being observed or not by a police officer. The objective of a radar detector is to protect the motorist from getting a speeding ticket from the officer who is using a radar gun.
Radar detectors were introduced in the early 1970's. The term radar detector originated from technologies that were used earlier to detect speed.
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