Do police use X band

Minimum Design Criteria for Radar Units: All radar units used by law enforcement in Florida must operate in one or both of the following frequency ranges: 24.050-24.250 GHz for K-Band or 33.400-36.000 GHz for Ka-Band . Some of the other radar unit requirements include: The radar must have a Doppler Audio.

Nope . K-band for enforcement is dead in California.

The S band is a radar-frequency band that uses short waves in the frequency range of 2 to 4 GHz . As mentioned, the main use for this band is for radar and communication.