Beamwidth and directivity are both measures of the focusing ability of an antenna.

Name: Beamwidth and directivity are both measures of the focusing ability of an antenna.
Brand: Quizplus
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Quizplus · Accepted Answer

Beamwidth describes the angle from which the majority of the antenna's power radiates, indicating how focused the beam is, while directivity measures how concentrated the antenna's radiation pattern is in a particular direction compared to an isotropic radiator. Both metrics relate to the antenna's ability to focus energy.

Beamwidth and Directivity Are Both Measures of the Focusing Ability