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Old 2nd May 2015, 10:07 PM
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RobF RobF is offline
My Empire of Dirt
Join Date: Mar 2010
Member of: Southampton Buccaneers, Parkstone, South Dorset
Location: Poole, Dorset
Posts: 10,165

It could be the power of the unit and the consequential radar emissions are too strong. So by dropping the power they loose the range or definition further out.

Speed cameras mostly work on specific frequency bands. Same as the things that sit over sliding doors to auto open them. But like them their range is short probably for the same reason. Over that limit you probably need a license.

That's all a guess but it's my theory.

So buy in the USA and post over.

Till then I'll try the two chrono technique.
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