Technical Surveillance Counter Measures

Bug sweeps are an electronic surveillance sweep. TSCM is the systematic physical and electronic examination of a designated area or item. Countersurveillance is the process of detecting covert surveillance listening devices.

Most bugs emit some form of electromagnetic radiation, usually radio waves. The standard counter-measure for bugs is therefore to “sweep” for them with a scanner looking for radio emissions.

Bugs transmit information, whether it is data, video or voice using radio waves. The Standard countermeasure for bugs of this nature is to search for such an attack with a radio frequency (RF) receiver.


  • RF Scanners
  • Vehicle tracker scanners
  • Camera lens detectors
  • GSM detection
  • Videoscopes

RF Scanners:

  • Search field is 1mhz to 8000mhz
  • 73DB – dynamic detection range
  • 10-15 square meters detection range
  • 15 square meters mobile band