What is meaning of Antenna Efficiency ?

The efficiency of antenna relates the power delivered to the antenna and the power radiates or dissipated by the antenna.

Antenna Gain :-

It is the ability of an antenna to direct/transmit maximum R.F. energy in a particular direction with respect to an isotropic antenna. (dbi)

Instropic Antenna :-

Imaginary antenna which radiates in all direction. (spherically)


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