V band is a band of microwave frequencies.
V band is a designated band of microwave frequencies in the millimeter-wave portion of the radio spectrum, spanning roughly 40 to 75 GHz. These very high frequencies have extremely short wavelengths and can carry large amounts of information, which suits V band to high-capacity radio links, radar, and satellite and research communication. Band designations like V band let a range of frequencies be referenced by a single letter.
Operating in the V band imposes demanding requirements on the transmission lines and components carrying the signals, since loss and impedance mismatches become very significant at these frequencies. Waveguides are often used in this range, and any coaxial cable must be engineered for very low loss and precise impedance.
In commercial and industrial communication, band designations like V band guide the selection of transmission lines and equipment matched to the frequency. Recognizing the band helps in understanding the demands these frequencies place on cable and components.
Because loss and impedance mismatches become very significant at these frequencies, waveguides are often used in the V band, and any coaxial cable must be engineered for very low loss and precise impedance, with band designations letting a range of frequencies be referenced by a single letter.
At Windy City Wire, the focus on coaxial and signal cable for commercial communication spans the range of frequencies a facility may use, including high microwave bands. Understanding designations like V band supports the selection of cable engineered for the low loss and consistent impedance that high-frequency signals require.
ITU (International Telecommunication Union) and IEEE, which define microwave band designations