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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…mehr

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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.