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Concealed microphones
Many of the devices featured on this website rely on the use of microphones. They are used, for example, to covertly record a conversation between two people, bugging a room or during (covert) surveillance operations. In such applications it is important that the microphone is not recognised as such, which means it has to be nearly invisible or concealed in something else.

This part of the website shows some popular examples of microphones that can be concealed effectively. Some of these devices are bare microphones that are so small that they can easily be integrated with (or under) the operative's clothing. Others are disguised as common objects.

Covert microphones on this website
Wired microphone disguised as a watch Wired Sennheiser microphone disguised as a fountain pen Sennheiser miniature microphone Sennheiser lapel microphone Sennheiser sub-miniature dynamic capsule Fortiphone FM-5 Audium T-7114 covert microphone Audiotel wall probe microphone with extremely sensitive amplifier
Miniature microphone elements manufactured by Knowles Overview of Sennheiser covert microphones Miniature microphone elements manufactured by Shure Type-B probe microphone, based on the RCA BK-6B Ceramic Shear Tube Contact Microphone SWM-28 miniature electret condenser microphone used by the CIA SWM-44B miniature electret microphone, cast in silicone East-German normal-mode contact microphone with nail (Körperschall-Mikrofon)
Further information
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© Crypto Museum. Created: Tuesday 15 September 2015. Last changed: Monday, 24 September 2018 - 15:10 CET.
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