microstrip directional coupler
preferred label: جفتگر راستایی ریزنوارکی @fa
type: Concept
related: millimetre wave directional coupler

millimetre wave coupler
preferred label: جفتگر موج میلمتری @fa
type: Concept
narrower: millimetre wave directional coupler

millimetre wave directional coupler
alternative label: MM-wave directional coupler
scope note: MM-wave directional coupler
related: microstrip directional coupler
broader: directional coupler
broader: millimetre wave coupler
preferred label: جفتگر راستایی موج میلیمتری @fa
type: Concept

directional coupler
preferred label: جفتگر راستایی @fa
type: Concept
narrower: millimetre wave directional coupler