Bug transmitters

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

Button-battery-powered UHF bug transmitter with crystal-controlled frequency and preamplified microphone

Room bug with VOX system

Hi-resolution covert audio and video bugging system

Disguised UHF spy audio transmitter in credit card size

Surveillance PC speakers

Room bug hidden in CD-Rom case

Quartz crystal-controlled UHF bug

Professional GSM infinity bug with digital voice recorder

Wideband receiver and VHF receiver

GSM spy recorder

UHF or GSM spy alarm clock transmitter disguised as an actually-working alarm clock