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Wireless & Mobility · Intermediate

Yagi Antenna

A semi-directional antenna with a driven element and parasitic directors and a reflector.

Definition

Yagi-Uda antennas have a series of elements on a boom that focus energy forward. They are used for short-to-medium distance outdoor links and corridors. Gains typically range from 10 to 18 dBi.

Exam tip

Yagis are classified as semi-directional in CWNA terminology.

Related terms