Wood boards (2) with drywall screws (4) or handscrew clamps (2)

Covert Listening Book

Covert Listening Book

Connect a shirt pocket “amplified listener” hearing aid with an in-car FM transmitter, and you’ve got a wireless bug. Tuck them inside a hollowed-out book with the mic concealed by the dust cover, and you’ve got a covert listening device that you can leave lying around or on a shelf near a surveillance target. Then […]