noun
directional antenna
Technical term used in radio, telecommunications, and radar contexts. Refers to an antenna that radiates or receives signals more effectively in specific directions.
指向性アンテナを使うと、特定の方向からの電波を強く受信できる。
Using a directional antenna allows you to receive signals more strongly from a specific direction.
An omnidirectional antenna, which radiates or receives signals equally in all directions, in contrast to 指向性アンテナ.
Compound of 指向性 (directivity) and アンテナ (antenna), a straightforward technical term.