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Antenna Gain Calculator

antenna
antenna gain
gain calculator
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parabolic antenna

This page provides an antenna gain calculator, as part of a collection of converters and calculators. The gain of a parabolic antenna can be calculated using this tool.

Antenna Gain Calculator Example:

  • Antenna Efficiency = 0.7
  • Antenna Diameter = 4.2 meters
  • Antenna Frequency = 6 GHz

Output: Gain (dBi) = 47

Antenna Gain Calculator Equation

Inputs

Outputs

Antenna gain measures the amount of signal boost an antenna provides. It’s crucial for RF system link budget calculations and analysis.

Knowing the antenna gain helps determine the power required from the RF transmitter. It also helps to determine how much power will be available at the receiver and whether attenuators are needed. If so, it helps determine the value of attenuators required for efficient link operation.

The following equation is used for the parabolic antenna gain calculator:

Antenna Gain calculator equation

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Calculate the gain, half-power beamwidth, and effective aperture of a parabolic antenna using this online calculator. Input frequency and diameter for instant results.

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