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Handset

Manual

Walkie-Talkie

Radar system

satellite system

Loudspeaker

Compact easily transportable battery-operated radio transmitting

Part of the phone that is held up to speak into and listen to

Introduction booklet

Electromagnetic sensor used for detecting, locating, tracking and recognizing objects at considerable distances

Communication broadcast technology used for ship-to-ship communication and position identification

Apparatus that converts electrical impulses into sound