The MF band is also known as the hectometer band as the wavelengths range from ten to one hectometer (1000 to 100 m). Frequencies immediately below MF are denoted low frequency (LF), while the first band of higher frequencies is known as high frequency (HF). … Medium frequency. Frequency range0.3 to 3 MHzWavelength range1000 to 100 mMedium frequency – Wikipedia en.wikipedia.org › wiki › Medium_frequency