Frequency Range

A frequency range or frequency band is a range of wave frequencies. It most often refers to either a range of frequencies in sound or a range of frequencies in electromagnetic radiation, which includes light and radio waves.Many radio devices operate within a specified frequency range which limits the frequencies on which it is allowed to transmit, or is able to receive for example the 80m band on a particular radio might refer to a frequency range of 3.5MHz to 4MHz.The frequency range of the human ear refers to those frequencies that people can detect sound, even if with diminished sensitivity, often taken to be 20Hz to 20kHz by engineers although the range varies from person to person, and lower frequencies may very well be "felt" by a listener down to a few Hertz.... Mehr