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NOT 443-2002-en

CONVERSION DBI TO DBD

Description: 

dBi is the gain measured in relation to an isotropic antenna (an ntenna that radiates the same energy in all directions).

It is usually the gain indicated in the specifications given for our aerials.

dBd is the gain measured with a dipole.

The relationship between dBi (ref. isotropic antenna) and dBd (ref. dipole) is the following:

dBi= dBd + 2.15;  dBd = dBi - 2.3

Example:

How many dBd in a 16 dBi gain antenna?

Answer:
dBd = 16 - 2.15 = 13.85 dBd

and vice-versa:
How many dBi are 22 dBd?

Answer:
dBi = 22 + 2.15 = 24.15 dBi.

Id Anrterior: 
4
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