What causes Ka band false alerts?

These false alarms come from moving vehicles with advanced safety systems . Some examples of these systems include auto-pilot, radar cruise control, adaptive cruise control and blind spot monitoring systems. These systems emit K band radar signals which will confuse the radar detector.

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What can set off Ka band?

A short K-band signal that quickly disappears could well be from Blind Spot Monitoring radar in a passing vehicle . If it’s a Ka-band alert, most likely it’s instant-on radar working traffic up ahead. With the radar on hold, the officer triggers it at close range and gets a speed almost instantly.

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