GDS Advanced Technologies GmbH is an authorized dealer of Research Electronics International (REI).

OSCOR Blue

The OSCOR Blue is a portable spectrum analyzer with a rapid sweep speed and functionality suited for detecting unknown, illegal, disruptive, and anomalous rogue transmissions across a wide frequency range.  

The OSCOR Blue Spectrum Analyzer is designed to detect illicit eavesdropping signals, perform site surveys for communication systems, conduct radio frequency (RF) emissions analysis, and investigate misuse of the RF spectrum.

MESA 2.0

MESA 2.0 is a portable, handheld RF receiver that detects known, unknown, illegal, disruptive or interfering transmissions.  MESA 2.0 has the portability and operational features not found on other spectrum analyzers.  


It provides tools, specifications, and design features for locating unknown signals throughout a wide frequency range up to 6 GHz (*12 GHz with the Down Converter antenna).

TALAN 3.0

The TALAN 3.0 Telephone and Line Analyzer represents advanced capability to detect and locate illicit tampering and security vulnerabilities on digital, analog, and VoIP telephone systems.  


New hardware provides the ability to test twisted pairs against modern telecommunication threats including shield and ground.

ANDRE Deluxe

The ANDRE is a handheld broadband receiver that detects known, unknown, illegal, disruptive, or interfering transmissions.  The ANDRE locates nearby RF, infrared, visible light, carrier current, and other types of transmitters.  


Quickly and discretely identify threats using the ANDRE Deluxe’s wide range of accessories specifically designed to receive transmissions from 10 kHz up to 12 GHz.

TTK (Tactical TSCM Kit)

The TTK (Tactical TSCM Kit) is a carry-on, deployment-ready equipment package for the frequent traveler who needs a portable sweep kit with a lot of capability.


TTK weighs 25 lbs/11.5 kg and includes these proven TSCM products:

  • MESA 2.0 hand-held Spectrum Analyzer for portable RF analysis up to 6 GHz (12 GHz with Downconverter Antenna)
  • ANDRE Broadband Detector for near field detection and location of RF transmitters up to 6 GHz (12 GHz with Downconverter Antenna)
  • ORION 2.4 HX Non-Linear Junction Detector for finding hidden electronics (active and inactive) (FCC 3.3W or G 6.6W)
  • CMA Countermeasures Amplifier for detecting wired surveillance devices

ANG-2200

The ANG-2200 Acoustic Noise Generator creates a perimeter of noise that defeats acoustic leakage eavesdropping devices including wired microphones inside walls, contact microphones, audio transmitters located in AC outlets, and laser/microwave reflections from windows.

ORION HX Delxe NLJD

The hand-held ORION HX Deluxe Non-Linear Junction Detector (NLJD) has interchangeable 2.4 GHz and 900 MHz antenna heads. The ORION HX Deluxe NLJD is used to sweep areas for electronic semi-conductor components.


In this way, the ORION HX Deluxe NLJD detects and helps to locate hidden electronics or eavesdropping devices regardless of whether the electronic device is turned on.

ORION 2.4 HX NLJD

The ORION 2.4 HX Non-Linear Junction Detector (NLJD) detects electronic semi-conductor components in walls, floors, ceilings, fixtures, furniture, containers, or other surfaces.


The ORION 2.4 HX NLJD is made to detect and locate hidden cameras, microphones, and other electronic devices regardless of whether the surveillance device is radiating, hard wired, or turned off.

ORION 900 HX NLJD

The ORION 900 HX Non-Linear Junction Detector (NLJD) detects electronic semi-conductor components through dense materials such as bricks, concrete, and soil.


The ORION 900 HX NLJD is made to detect and locate hidden cameras, microphones, and other electronic devices regardless of whether the surveillance device is radiating, hard wired, or turned off.

PMK-8 (Portable Masking Kit)

The Portable Masking Kit (PMK-8) protects private conversations by injecting voice masking noise into structural surfaces, gaps, and free space, making conversations unintelligible to anyone outside the room.  


Portable Masking Kit creates a perimeter of masking noise that defeats acoustic leakage and eavesdropping devices like:

  • Wired wall devices
  • Contact microphones
  • Hidden audio transmitters
  • Laser/reflections from windows

PSK (Physical Search Kit)

The Physical Search Kit (PSK) is a portable, compact set of equipment, tools and supplies to perform TSCM physical searches. All TSCM sweeps include a physical search to look for hidden electronic surveillance devices. The PSK ensures you have the right tools, with more than 50 items to do a complete and efficient investigation.

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