Speed Detection by State and Larger Cities
Many people have asked for a list of speed detection devices and systems used by various state and metropolitan enforcement agencies. While such a list does not exist for reasons outlined below, we can provide some general tips.
There are over 17,000 law enforcement jurisdictions in the country and it would be impossible to maintain a current or accurate record of which bands are used by each department. In many cases, departments are using a mix of old and new radar guns.
If you are concerned about which frequencies are used in your area in order to more effectively protect yourself, we recommend that you buy either a Bel or Escort detector which features "spec" mode - a display of the frequency transmitted by radar guns. Activate the "spec" mode of your detector to determine what frequencies and therefore which guns are being used in your area. For example, Kustom Ka radar guns transmit at 35.5 GHz, MPH Ka radar guns transmit at 33.8 GHz, Stalker guns transmit at 34.7 GHz, and Decatur uses the 34.7 GHz frequency. By using the method mentioned above, you would know which specific radar guns are being used by your local law enforcement departments.
The "spec" mode will also report K band at 24.150 GHz and X band at 10.525 GHz. Other detectors such as Whistler, Q3, Cobra, and K40 report only the band used and not the specific frequency.
Stalker now has over 40 state contracts for radar guns at 34.7 GHz. No state has X band on contract. The only other way to discover the band used is to call your local police agency.
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