Bug transmitters

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

Miniature UHF bug

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

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

Miniature preamplified UHF bug

Phone plug bug transmitter

Professional GSM infinity bug with digital voice recorder

Wideband receiver and VHF receiver

Disguised UHF spy audio transmitter in credit card size

Encrypted digital UHF bug transmitter kit

Hi-resolution covert audio and video bugging system

Quartz crystal-controlled UHF bug