infinity transmitter

English

Noun

infinity transmitter (plural infinity transmitters)

1. Synonym of harmonica bug
   • 1976, United States. National Commission for the Review of Federal and State Laws Relating to Wiretapping and Electronic Surveillance, Commission Hearings, page 1268:

     If we have our harmonica with a single note at any remote activation place, we can trigger the infinity transmitter on.

   • 1984, John Wingfield, Bugging, a Complete Survey of Electronic Surveillance Today, page 62:

     Different models of infinity transmitter operate in slightly different ways, although a single unit will often offer the user the choice of one of several options and he can pre-set it accordingly.

   • 1996, Paul Brookes, Electronic Surveillance Devices, page 19:

     The invention of the infinity transmitter was conceived several years ago.