Counter surveillance | Professional Assurance

Counter Surveillance | SB2

Delta V Advanced

Quickly detect real time RF listening devices

Delta V Advanced is a compact handheld differential RF wide band detector. Measuring the rate of change in field strength enables accurate pinpointing of local RF sources, quickly and efficiently.

Designed to protect against real time transmissions from surveillance bugs by detecting and locating their signal, then using audio and visual alerts to guide you to the target. Suitable for people or object searching, whatever the situation.

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Counter Surveillance | SB2


Effectively locate concealed electronic devices

The new SB range is our latest advance in lightweight powerful Non Linear Junction Detector (NLJD) technology.

A versatile device which incorporates the best elements from our 35 years of developing NLJDs. The search head is extremely light and extends up to 1 metre to reach the places that other NLJD products can’t. An ultra bright led display on the search head provides the information you need, right where you need it.

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Download the SB-10MD brochure

Counter Surveillance | SB2

Scanlock M3

Protecting you and your intelligence

Designed to counter the latest advances in eavesdropping devices, the Scanlock M3 will keep your secrets safe. As well as being able to search and locate signals, the Scanlock M3 is also the only product on the market which can identify the type of signal being transmitted.

Robustly designed for a variety of applications, the Scanlock M3 can be used for desktop or mobile application. Developed with a touch screen display specifically for ease of use by users of all technical ability.

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Download the Scanlock M4 Merlin brochure

TSCM Sweep Kit

Audiotel International is a market leader in the supply of Technical Surveillance Counter Measures (TSCM) equipment. We deliver innovative TSCM products to meet the needs of Commercial, Defence, Law Enforcement and Government customers worldwide.

We have created a comprehensive and cost effective TSCM sweep kit to provide you with the tools you need to get the job done.

The Professional TSCM Sweep Kit gives you a full suite of TSCM capabilities to detect live transmissions as well as dormant eavesdropping devices and comprises:

  • the SB4 Non Linear Junction Detector (NLJD)
  • the Scanlock M3, 30GHz TSCM Counter Surveillance receiver complete with cable checker
  • the Delta V Advanced, differential, near field RF bug detector

Callback request

If you would like to know more about our countersurveillance capabilities or to arrange a discreet consultation on our product range, please send a Callback Request via the form on this page, and a member of our team will get back to you.

Alternatively, please contact us directly on +44 (0) 1536 464888.

Please tick this box if you would like a member of the Audiotel International team to contact you, using the email address or telephone number provided.