Bug transmitters

Miniature UHF bug

Wideband receiver and VHF receiver

GSM spy recorder

Encrypted digital UHF bug transmitter kit

Phone plug bug transmitter

Miniature preamplified UHF bug

Disguised UHF spy audio transmitter in credit card size

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

VHF bug transmitter with long operating time

Surveillance PC speakers

Hi-resolution covert audio and video bugging system