How does electromagnetic waves carry digital data?

Electromagnetic waves can carry digital data as these data are encoded over analogue carrier by modulating the digital data. Once the modulation of the data is done, it is passed into the antenna. The receiver on the other end demodulates the data to retrieve the data in digital form.

Electromagnetic waves

Electromagnetic waves or EM waves are waves that are created as a result of vibrations between an electric field and a magnetic field. In order from highest to lowest energy, the sections of the EM spectrum are named: gamma rays, X-rays, ultraviolet radiation, visible light, infrared radiation, and radio waves

  • Wavelengths of electromagnetic waves range from longer than a soccer field to shorter than the diameter of an atom.
  • Frequencies of electromagnetic waves range from thousands of waves per second to trillions of waves per second.
  • High-frequency waves have a lot of energy and are potentially very harmful.
  • All electromagnetic waves travel across space at the speed of light, which is about 300 million meters per second

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