Millimeter waves

What is Millimeter waves (MMW)?
  • Millimeter waves (MMW) is electromagnetic waves with the wavelength from 1 to 10 millimeters.
  • This waves share the features of microwaves and far infrared waves since its wavelength ranges between these two waves.
MMW application in communications:
  • It is generally used for point-to-point transmission technology.
  • Basically the band of radio spectrum between 30 Ghz and 300 Ghz of MMW is used for this purpose.
  • It is mainly used for connecting internet service to distribution points.
  • It is difficult and uneconomical to use MMW for individual residential connections.
Why in news?
Facebook’s Connectivity Lab has set a world record transmitting at nearly 20 Gbps for 13.2 kilometers using Milli Meter Wave (MMW) technology

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