Ultrahigh Frequencies

Ultrahigh frequencies (UHF) cover the 300 to 3000 MHz range. This too is an extremely widely used portion of the frequency spectrum.  It includes the UHF television channels 14 through 67.  It is also widely used for land mobile communications and services such as cellular telephones.  The military services widely use these frequencies for communication.  In addition, some radar and navigation services occupy this portion of the frequency spectrum.  Radio amateurs also have bands in this part of the spectrum.  Incidentally, frequencies above the 1000 MHz [ 1 gigahertz ( GHz) ] range are called microwaves.

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