Antenna Gain Calculator

Enter the antenna efficiency, wave length, and aperture area into the calculator to determine the antenna gain of the antenna system.

Antenna Gain Formula

The following formula can be used to calculate the gain of an antenna.

G = 10 LOG ( n4πA / w2)

  • G is the antenna gain
  • n= Efficiency
  • w = Wave Length
  • A = Physical Aperture Area


What is antenna gain?

Antenna gain is the efficiency at which the antenna converts an input power into radio waves. For an antenna receiving signal, the gain is the efficiency at which the antenna converts radio waves back into electrical power.

How is antenna gain calculated?

Antenna gain is calculated using the efficiency, wave length, and aperture area of an antenna long with the formula described above.

antenna gain calculator

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