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BMW 3-Series (E90 E92) Forum
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Radar Detector
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12-23-2009, 11:55 AM | #24 |
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Exactly. The reason they can make cordless detectors at all is by having them powered off 99% of the time. Every 5 or 10 seconds it'll power up the low-powered antenna for an instant to see if it hears anything. That's a lot of delay, and can miss a lot of signals.
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