переносний гучномовець для пошуку приховано встановлених мікрофонів
multichannel speaker
speaker
external speaker jack
magnetic speaker
permanent-magnet speaker
piezoelectric speaker
pneumatic speaker
acquisition speaker
dual mode roving vehicle
roving AA element
roving agent
roving artillery
roving battery
roving bomber
roving bug
roving guard
roving gun
roving machine gun
roving mortar
roving patrol
roving radar
roving robot
roving spy
roving surveillance
roving tank
roving vehicle
roving-gun location overlay
roving ambush
traffic roving patrol