What uses Ka band?

Ku-band: K-under band, 12–18-GHz, mainly used for satellite communications, direct-broadcast satellite television, terrestrial microwave communications, and radar, especially police traffic-speed detectors .

What is the ka band? It is a frequency range and it is used mostly in satellite communications , and makes part of the microwave K band of the electromagnetic spectrum.

K band radar are radar waves that fall between 18 GHz and 27 GHz , with most of the law enforcement radar guns operating at 24.125 GHz and 24.15 GHz. Police radar began detecting with K band a few decades after X band was introduced. The biggest problem with the K band is that it leads to a lot of false alerts given.