English version

listening device in Technology topic

From Longman Dictionary of Contemporary Englishlistening deviceˈlistening deˌvice noun [countable]  TSECRETa piece of equipment that allows you to listen secretly to other people’s conversations syn bug
Examples from the Corpus
listening deviceI took the liberty of planting a listening device in the jukebox you ... earned.The businessman was then wired with a listening device and given $ 30,000 to offer Mr Tucker.He pulled out the next box; there was no mark of any listening device on the wall behind it.Disguised as toilet equipment all the apparatus was there - the listening device and several sophisticated miniaturized bugs.