Bug transmitters

Miniature digital spy transmitter with frequency hopping, very small dimensions and operating in the UHF band

Disguised UHF spy audio transmitter in credit card size

Quartz crystal-controlled UHF bug

Professional GSM infinity bug with digital voice recorder

Encrypted digital UHF bug transmitter kit

UHF or GSM room audio monitoring bug transmitter disguised as an actually-working multiple AC socket

Room bug hidden in CD-Rom case

Miniature UHF bug

The body of this VHF bug transmitter is no bigger than a dollar coin and plugs itself easily onto any 9VDC PP3-type battery.

Wideband receiver and VHF receiver

AC adapter VHF bug

Room bug hidden inside multiple AC socket