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Wireless & Mobility · Advanced

Downtilt

Angling an antenna's beam downward to aim coverage at the ground area that needs it.

Definition

Mechanical or electrical downtilt aims the main lobe toward users instead of the horizon. It limits overshoot and co-channel interference in outdoor and high-density designs. Downtilt angle is calculated from height and desired coverage distance.

Exam tip

Downtilt is used to constrain cell size outdoors and in venues.

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