| − | A '''Microwave''' is an [[electromagnetic wave]] with wavelength longer than those of terahertz (THz) frequencies; it has wavelength approximately in the range of 30cm (1GHz) to 1mm (300 GHz). | + | A '''Microwave''' is an [[electromagnetic wave]] with wavelength longer than those of [[terahertz]] (THz) frequencies; it has wavelength approximately in the range of 30cm (1GHz) to 1mm (300 GHz). |