Q band
According to the ITU designations, the Q band is a frequency band that lies in the millimeter wave( EHF) range between 33 GHz and 50 GHz and covers parts of the V band and the Ka band. These specifications refer to microwave technology. In radar technology, the corresponding frequency band is the V-band between 40 GHz and 75 GHz. There is no U band in the nomenclature of the International Telecommunication Union (ITU).