• Wireless Microphones
  • Digital VLF Devices
  • Covert Video Cameras
  • LAN/WAN Eavesdropping Devices
  • Bugged Copy Machines
  • Bugged Fax Machines
  • Bugged Computers and Monitors
  • Modified Telephone, PBX, and Voice Mail Systems
  • Cellular Interception Systems (Generally not detectable)
  • Beeper/Pager Intercept Systems (Generally not detectable)
    Technical Profile
  • Frequencies typically between 3 kHz and 40 GHz
  • Power levels typically between 250 nW and 100 mW
  • Wide/Narrow band spread spectrum, burst and frequency hopping
  • Infrared devices between 300nm to 1710nm
  • Over 156 types of modulation used.
  • May use burst or packet transmission
  • Commonly uses a duplex link for remote control of device
  • Heavy use of encryption using complex algorithms
  • Heavy usage of digital modulation
  • Very difficult to find
  • Expensive and very high performance
  • Designed for long term, high risk technical surveillance
    Counter Measures
  • Spectrum Analyser - DC to 40 GHz
  • Vector Signal Analyzer - Very High Bandwidth
  • Non Linear Junction Detector
  • Search/Intercept Receivers
  • Measuring Receivers
  • Telephone Analyser
  • Time Domain Reflectometer
  • Portable X-Ray Equipment
  • LAN/WAN Analysis Instruments