In article m, Martin
Underwood writes
areas like radar speed-trap detectors, which are not (as far as I
know) illegal to fit but are illegal if you actually use them to detect
speed traps. I

The law was tested on this point a couple of years ago and the Police
and CPS lost. The radar detector is used to detect the signal is there,
not to listen to the contents of that signal. There was a landmark
ruling on this and the judge rules that is was legal to use one of these
detectors.
--
Andrew
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