» In biology, a C band is a region of constitutive heterochromatin on a chromosome. C band is a name given to certain portions of the electromagnetic spectrum, as well as a range of wavelengths of light, used for communications. The IEEE C band and its variations, in particular, are microwave ranges used for certain satellite television broadcasts, and by some Wi-Fi devices, cordless phones, and weather radars. For satellite communications, the lower frequencies used by C Band perform better un… (More on C-band)