Eavesdropping Detection Equipment

Technologically Advanced – Field Tested – Highly Trained Experts
ComSec, LLC, Risk Management, Virginia Beach, VA

For professional TSCM / Cyber TSCM surveys to be effective, the TSCM specialist must be expertly trained and properly equipped. Eavesdroppers utilize a variety of devices and spying tactics to exploit vulnerabilities in your security protocols. Their intent is to access and utilize your valuable information.

A professional TSCM / Cyber TSCM service provider ensures the knowledge and skills of its specialists and the eavesdropping detection equipment utilized are capable of detecting spying devices and exposing eavesdropping tactics. Professional TSCM service providers are aware that electronic eavesdropping devices and tactics are continually evolving. In order to provide thorough and effective TSCM services, the professional TSCM service provider must ensure their specialists, equipment and processes continually evolve to address the emerging threats.

ComSec’s eavesdropping detection equipment is constantly upgraded to meet new and emerging technical surveillance threats. This practice ensures that we are prepared and fully capable of handling all known threat levels as well as the continuous technological advancements with regards to covert Technical Surveillance Devices (TSD), Technical Security Hazards (TSH), espionage methods, techniques, compromises and the more common non-electronic methods of compromise.

ComSec carefully analyzes each individual survey assignment and selects different combinations of equipment, inspection methods and techniques as required for both known and developing threat levels.

Commercial – Unclassified
Eavesdropping Detection Equipment

ComSec LLC utilizes the following commercial, unclassified eavesdropping detection equipment for its professional, commercial eavesdropping detection services. Below is a partial list of our equipment resources.

KESTREL SURFACE RF LOCATOR Shown in photo (Click Here for pdf)

The Kestrel TSCM Pro Equipment Software Application Interfaces, Wireless Network Analysis Technology, GPS Mapping and Logging Tools, RF Spectrum (Real Time and Post Analysis) Software, Global Frequency Database and a Proprietary Telephone, Video Conferencing, Voice, Data and Wireless Systems Engineering Reference Database. Kestrel TSCM Professional Software (Click here for pdf) – Signal Intelligence Support System (SISS) (BB60A-6.0 GHz) / (12.4 GHz) Dual / Multiple Receiver with Remote Surveillance and Monitoring Capability, Differential Signal Analysis (DSA) and advanced Threat Level Programming (TLP). *NEW*  Tap  Capture Plot – TCP module. *Enhanced Radio Direction Finding*. Download TCP brief pdf.

ComSec is the exclusive authorized distributor of KESTREL TSCM PRO SOFTWARE & THE KESTREL SURFACE RF LOCATOR in the United States of America.


Predator RF Hunter 20 GHz Spectrum Analysis Kit

ComSec’s Predator RF Hunter 20 GHz Kit is a mobile, field ready SIGINT 20 GHz RF spectrum analysis solution. More specifically, the Predator RF Hunter is a fully preconfigured, 20 GHz RF spectrum analysis system encased in a customized Pelican Air rolling case. ComSec LLC’s Predator RF Hunter is optimal for Technical Surveillance Countermeasures and Mobile Signal Intelligence (SIGINT) applications.

The system features Kestrel TSCM Pro Software and employs a high-performance 20 GHz spectrum analyzer and monitoring receiver with 110 dB of dynamic range and 1THz/sec sweep speeds. Together with an optimized laptop, the Predator RF Hunter provides a fully featured RF collection and analysis experience that is unmatched in the industry.

ComSec LLC is the exclusive, sole source COTS provider of the Kestrel TSCM Pro Software in the United States of America, and the Predator RF Hunter. PDF Brochure.

Predator RF Hunter ComSec LLC


Kestrel RF Hunter Kit

9 kHz to 6 GHz RF Signal Analysis Mobile Kit – (P/N KRFHD). Download pdf brief.

Powerful, full featured, operator centric professional Technical Surveillance Countermeasures (TSCM) software that leverages advanced software defined radio (SDR) concepts to deliver standalone RF spectrum ISR – Intelligence, surveillance & Reconnaissance monitoring, collection and analysis functionality. Highly deployable, mission scalable, travel friendly, full featured RF spectrum analysis field kit for professionals. OPT AEC, OPT CLP & OPT AMCS enabled.

Includes: • Dell 5420 Rugged Laptop. • Kestrel TSCM Pro Software License. • Signal Hound BB60C Software Defined Radio. • Kestrel TCP Module. • Antenna.  • Mouse.

Optional Add-On: • Kestrel Power Line Probe.


Handheld Spectrum Analyzer - HSA-Q1

The Handheld Spectrum Analyzer HSA-Q1 is designed specifically for professional TSCM countermeasures use. With a frequency range of 0 to 13.4 GHz and sweep time of just half a second, the HSA-Q1 spectrum analyzer offers unprecedented performance in a truly handheld package. The unit detects all types of RF signals within range, especially modern pulsed burst signals that can be missed by slower sweeping units.

The HSA-Q1 Handheld RF Spectrum Analyzer has been designed with the highest possible technical specification to ensure maximum detection capability and has a range of invaluable features to aid countermeasures RF detection or ‘Sweeps’. Yet, despite its technical capability the HSA-Q1 is easy to operate and features an intuitive, user friendly interface.

View the Handheld Spectrum Analyzer HSA-Q1 Brochure.

Handheld RF Spectrum Analyzer HSA-Q1

Handheld NLJD - EDD-24T

The New EDD-24T is a handheld Non Linear Junction Detector (NLJD). It detects all types of electronics – whether active, passive or even switched off.  The EDD-24T detects the presence of semiconductor circuits that are used in all modern electronic devices such as mobile phones, tracking devices, listening devices, covert cameras, digital voice recorders, SIM cards etc. And, the EDD-24T will detect such devices whether they are switched on and in use, powered on but in standby mode, or even switched off without any power. Unequaled performance in a handheld NLJD!

View the Handheld Non Linear Junction Detector EDD-24T brochure.   * CE Marked & FCC Compliant.

handheld non linear junction detector nljd

CAM-GX5 Cellular Activity Monitor

The CAM-GX5 Cellular Activity Monitor is a handheld multi-band cellular signal detector. Detects 2G 3G 4G & 5G devices, and WiFi & Bluetooth devices. Also detects and locates transmissions from cellular mobile phone based devices including cell phones, smartphones, GPS trackers, Wi-Fi Hotspots, GSM listening devices (bugs) and covert wireless 3G / 4G/ 5G cameras. And, the CAM-GX5 now has worldwide multi-band coverage. The CAM GX5 Cellular Activity Monitor detects surreptitious cellular listening devices in any environment where cellular devices are forbidden, such as sensitive meetings. Use the CAM-GX5 to check for unauthorized cell phone usage in exam halls, prisons, hospitals, etc. The CAM-GX5 also detects the latest hidden GPS tracking devices making it ideal for TSCM bug sweep applications. The CAM-GX5 Cellular Activity Monitor has a separate 2.4 GHz band detector and a new 5 GHz band detector to detect the growing threat from Wi-Fi / Bluetooth Store & Forward and Video devices.

Cellular Activity Monitor JJN CAM GX5

Wideband RF Detector | PRO-SL8

The Wideband RF Detector PRO-SL8 features a 0 to 8 GHz frequency detection range with ultra-high sensitivity but couldn’t be simpler to operate. Simply switch on and any detected will be shown on the built in OLED display.
It is designed to detect and locate signals from the very latest covert listening, tracking, cellular, and video devices. With a completely new hardware design the Wideband RF Detector PRO-SL8 has unrivaled sensitivity for its size and can also display detected frequencies up to 6GHz. View the Wideband RF Detector PRO-SL8 Brochure.

Wideband RF Detector



Professional Technical Surveillance Countermeasures (TSCM) Sweep Kit in a Rolling Hard Case.

TSCM Inspection Kit Includes: (Download Operator Kit pdf).

• EDD-24T Handheld Non-Linear Junction Detector. • HSA-Q1 Handheld RF Spectrum Analyzer (1   MHz to 13.4 GHz). • PRO-SL8 Wideband RF Detector (0 – 8 GHz). • FLIR C3 Thermal Imager.  • Cellular Base Station Mapping Sensor & App. • Optic-2 Professional Pinhole Camera Finder.  • Forensic Light & Goggles. • Tool Kit with Inspection Mirror.  Optional Add-Ons:  BTS HunterWi-Fi Hunter.

The Operator Kit TSCM Equipment

Kestrel 3D Energy Probe

The professional Kestrel ® 3D Energy Probe (KEP) TM | OTA Radiated Antenna Kit is a modern and uniquely designed technologically advanced, low cost solution under the powerful Kestrel ® brand and is ideal for deployment in virtually any type of Power Line Carrier (PLC) or Broadband Power Line (BPL), application for references analytical metrics, and utilized for intermittent or continuous monitoring the local power grid environment at all known and developing operational threat levels within the private and public sector national security apparatus.

The model 3DEP‐10 Kestrel ® 3D Energy Probe (KEP) TM Probe | OTA Radiated Antenna TM is an innovative and uniquely designed in Canada and manufactured in the USA product. Its operator centric design provides cross technology capability for superior Power Line analysis and Over‐the‐Air (OTA) capability that significantly enhances the inspection process for so called intentional and unintentional radiators across the target area power grid and other conductive paths.

Download Kestrel 3D Energy Probe pdf here.

Kestrel 3D Energy Probe

REI TALAN 3.0 Telephone and Line Analyzer

The NEW 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. The TALAN incorporates several types of telephone line tests including common tests such as voltage, current, resistance, and capacitance tests, as well as NLJD, FDR Frequency Domain Reflectometry, and Digital Demodulation technology into a single piece of equipment. Voice-over Internet Protocol (VoIP) phone systems present a new form of security risk to communications. With new enhancements built into the TALAN software interface, users can now test internet protocol (IP) packet traffic on VoIP phones and systems. VoIP data collected by the TALAN software includes Source and Destination Mac Addresses; header type; statistics – total packets; packet rate; peak rate and run time.

REI OSCOR Green (24 GHz) TSCM Spectrum Analyzer

The OSCOR Green is designed for commercial applications to detect illicit eavesdropping signals, perform site surveys for communication systems, conduct radio frequency (RF) emissions analysis, and investigate misuse of the RF spectrum. OSCOR Green scans 24GHz in one (1) second ensuring spectrum activity is captured, which is the equivalent of capturing 2,000,000 data points per second.

REI – ORION 2.4GHz Non-Linear Junction Detector (NLJD)

A Non-Linear Junction Detector detects the presence of electronics, regardless of whether the electronic target is radiating, hard wired, or even turned off. The ORION 2.4 locates hidden electronics in walls, floors, ceilings, fixtures, furniture, or containers. An antenna-mounted line-of-sight display lets the operator focus on the target while sweeping. The NEW ORION 2.4 transmits at 2.4GHz frequency for detecting small electronics such as SIM cards and cell phones.

FLIR E8 & E60 Thermal Imaging Camera, 320 x 240 IR-MSX Resolution

Multi-Spectral Dynamic Imaging (MSX) for easier interpretation of an image – adds visible spectrum definition to IR images by detecting the edges of objects and including that detail in the thermal image. Text becomes clearly visible so that you can read a label or identifier within the IR image. This exclusive function provides extraordinary thermal detail that instantly highlights and orients problem locations and eliminates the need to refer back to a visual image for detail.

ANDRE - Counter Surveillance Broadband Receiver

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 mitigate threats using the ANDRE Advanced Kit’s wide range of accessories specifically designed to receive transmissions across a 1 kHz to 6 GHz frequency range. ANDRE. It is an excellent complement to an OSCOR Spectrum Analyzer as a preliminary non-alerting tool.

VPC-64 Pole Camera

Inspect drop ceilings, behind immovable objects, around corners, or other difficult to reach areas, even in dark situations with the VPC-64 or the VPX-64 Video Pole Camera. The VPC-64’s 24 in (61 cm) pole extends to over 6 ft (1.8 m) giving the average user over 10 ft (3 m) of reach.


This device is designed to provide information about whether you are in an area that is under surveillance using cellular interceptors (IMSI Catchers, StingRays, etc.) to compromise your device. The GSMK CryptoPhone 600G is an Android-based secure mobile phone with 360° mobile device security for secure messaging and voice over IP communication on any network. The Baseband Firewall protects the microchip in your Crypto-Phone that manages the communication with the mobile network, the so-called baseband chip, against attacks. Baseband firewall 2.0 • Unique protection against over-the-air attacks with constant monitoring of baseband processor activity • Baseband attack detection and initiation of countermeasures • Detection of attempts to track the user’s location via SS7 or silent SMS.

The Baseband Firewall was programmed to recognize certain patterns of phone behavior, will notify you if it detects too many suspicious events and will then reset the baseband chip to get rid of possible attack malware. It will also detect any attempt to force the CryptoPhone’s base band to connect to a rogue base station (e.g. a so-called IMSI Catcher) by providing manipulated network parameters and notify you if such a situation occurs.

ESD Overwatch: Wireless Network – Cellular Network Analysis

ComSec is the exclusive US commercial partner for the ESD Overwatch system. We use the Overwatch system to detect and monitor cellular attacks in real-time, and to identify Rouge IMSI catchers/StingRay, baseband processor attacks, rogue base stations and cellular jamming. The system generates a continuously updated, national situation report by means of distributed detection and localization of a multitude of baseband attacks as well as the manipulation of cellular signaling.

Essentially, the information generated by the Overwatch system arms corporate decision makers with the tools to eliminate illegal use of Rouge IMSI catchers/STINGRAYS. The system uses two military-grade waterproof sensors for comprehensive scanning and continuous detection in fixed or mobile installations. This exclusive capability is now included in ComSec’s TSCM/Cyber TSCM Services and Assurance Option Programs.


Mobile Forensics Tools

When the FBI requested Susteen to create more features for cell phone management and enhance investigative and reporting tool, we leveraged our experience with DataPilot and released a Mobile Forensic Investigation Tool called Secure View.

Secure View became the first mobile forensic software in the market. Secure View 3 is the ultimate software and hardware solution, providing law enforcement, military & civil, corporate, forensic consultants, and educators with data extraction of content stored in mobile phones. Investigators can now gain access to vital information in seconds without the need to wait for results from a forensics lab.

Secure View 3 also contains a full suite of tools; analyzing, bookmarking, and reporting. Susteen and its experienced development team ensure that examiners have access to the most comprehensive and complete set of utilities in the market.

CELLEBRITE Physical Analyzer

The UFED Physical Analyzer is the most powerful and technologically advanced mobile forensic application available. It exposes every segment of a device’s memory data and provides in-depth decoding, analysis and reporting methods. Features include: Malware Detection – On-demand searches for viruses, spyware, Trojans and other malicious payloads in fi­les, Project Analytics – View statistics on communications and identifying relationship strengths Rich Set of Data – Includes calendar, call logs, contacts, SMS, MMS, chats, applications etc. The advanced application for decoding, analysis and reporting.



ORIUS® WiFi HUNTER scans over 2.4GHz and 5GHz Bands, mapping the area while discovering; profiling and locating any Access Point or Wi-Fi device operating within the designated area.


ORIUS® WiFi HUNTER performs deep analysis of all networks and devices connected to on Wi-Fi networks including hidden networks and unassociated devices. Download ORIUS WiFi HUNTER Brochure.


ORIUS® WiFi HUNTER identifies and locates all devices utilizing Wi-Fi connectivity and allows you to profile and categorize them (White list and Black list.) DISPLAY MAC ADDRESSES FOR EACH DEVICE ORIUS® displays the MAC address of the devices, which is critical whether you are managing your own devices or investigating unauthorized devices, including surveillance equipment transmitting illegal data over Wi-Fi. Download ORIUS White Paper.

The ORIUS® logo & name are the registered trademarks of ComSec LLC.


*Classified-ITAR Controlled-Restricted Eavesdropping Detection Equipment

* Available to US Government and US Military Clients Only.

ComSec owns and operates additional TSCM and Cyber TSCM equipment and proprietary software programs that are not listed above for a variety of security related reasons. These additional equipment resources are utilized where the threat level of the target area requires extraordinary OPSEC and additional inspection methods to be utilized.

When selecting a TSCM / Cyber TSCM service provider, utilizing a professional TSCM company with expertly trained specialists, advanced field tested TSCM equipment and an extensive knowledge of current spying devices, threats and effective detection methods is the only choice. Contact ComSec LLC today or call us at: +1.800.615.0392 for professional TSCM / Cyber TSCM services.