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25-06-2017
Physics

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What is the difference between dbi and dbd?

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25-06-2017

dBi is decibels relative to an isotropic source. dBd is dB relative to a dipole. Since the dipole has 2.2 dBi of gain, the gain of any antenna in dBi is always 2.2 less than its gain in dBd.

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