The frequency range from 1 GHz to over 100 GHz can been divided into a number of different microwave frequency bands, each represented by a letter such as C, Ku, Ka or V band etc. The different microwave d band with matched letter is as below. you can see tables with details on each letter band. learn more about it and find products is easy to do based on table below. https://www.dolphmw.com/microwave-frequency-bands.htmlAll Rights Reserved