Uploaded January 2020 | Updated September 2026, 3 hours ago

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On I-65 just north of Alabama border.
For those drivers out there using radar detectors (legal in 49 out of 50 US states plus Canadian provinces of BC, AB and SK), the best way to test the detection range of your RD is to encounter a police cruiser running a police radar unit.
Any 1+mile police radar detection is more than enough for a pretty good professional RD regardless of how old that particular RD might be.
Tennessee State Troopers use Stalker Radar Ka 34.7 police radar.
Police Radar bands and frequencies: guysoflidar.com/tech.html
Police Radar Bands (USA & Canada):
X-Band 10.525 GHz +/- 25 MHz
K-Band 24.150 GHz +/- 100 MHz
Ka-Band 33.4-36 GHz
Ka Frequencies By Manufacturer (USA):
MPH Industries 33.8 GHz
Stalker Radar 34.7 GHz
Kustom Signals 35.5 GHz
Decatur Radar 35.5 GHz
McCoy's Law Line 35.5 GHz
Similar police radar videos in this very playlist: youtube.com/playlist?list=PLInTFVcLGchkLM7VGoM47TYwpHqsRfguV
Always drive safe and drive smart.