What can set off my radar detector?

Sometimes your radar detector gets set off by things that aren’t radar or laser enforcement devices. These “false alerts” are usually caused by automatic door openers, roadside traffic monitors and electronic warning signs, emergency vehicles, and in-vehicle technologies (IVT) .

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What causes K band false alerts?

In town, commercial automatic door openers routinely cause false alerts. Other K-band false alarms are caused by traffic-sensing radar (TSR) that monitors traffic flow and volume. Many newer detectors recognize TSR radar and GPS-enabled models can lock out door-opener radar.

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