EntityQ377794· pop 5· linked from 23 articlesparabolic microphoneSign in to savemicrophone that uses a parabolic reflector to collect and focus sound waves onto a transducerConnectionsmicrophoneEntitysoundEntityInternational Standard Book NumberEntityespionageEntitydigital object identifierEntityradio waveEntityQ180686EntitydecibelEntityparabolic antennaEntitysearch and rescueEntitytransducerEntityangular resolutionEntitybird vocalizationEntityQ22908627Entityhigh fidelityEntityecholocationEntityeavesdroppingEntitysound recording and reproductionEntityparabolic reflectorEntityphased arrayEntityCategoriesCovert listening devicesMicrophonesSurveillance