Super high frequency, abbreviated SHF, is the band of the radio spectrum spanning 3 to 30 GHz, used for radar, satellite, and microwave communication.
Super high frequency, abbreviated SHF, is the band of the radio spectrum from 3 to 30 GHz. These microwave frequencies have very short wavelengths that can be focused into narrow beams and carry large amounts of information, which is why super high frequency is used for radar, satellite communication, and high-capacity microwave links. The band sits between the ultra high frequency and extremely high frequency ranges.
Operating at super high frequencies imposes demanding requirements on the cable and components carrying the signals. Loss and impedance mismatches become very significant at these frequencies, so coaxial cable and waveguides used in this range are engineered for low loss and precise impedance, with waveguides often replacing coaxial cable where its loss would be excessive.
In commercial and industrial communication, band designations like super high frequency guide the selection of transmission lines and equipment matched to the frequency. Recognizing the band helps in choosing cable suited to its demanding requirements.
Because loss and impedance mismatches become very significant at these frequencies, coaxial cable and waveguides used in the super high frequency range are engineered for low loss and precise impedance, with waveguides often replacing coaxial cable where its loss would be excessive.
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 super high frequency supports the selection of cable engineered for the low loss and consistent impedance that high-frequency signals require.
SHF (Super High Frequency)
ITU (International Telecommunication Union), which defines radio frequency band designations