Skip to main content


radio-frequency spectrum analysis TSCM technology Tektronix RSA Signal Behind a Signal

Real-time radio-frequency spectrum analysis reveals a bug signal hiding within other signals.

Radio-Frequency Spectrum Analysis – Vital to finding bugs

Eavesdropping devices can transmit audio, video and data information via radio waves. Radio-Frequency Spectrum Analysis is the quickest way to detect their transmissions. Makes perfect sense. Our analysis takes place closer to the bug than the person receiving its transmissions. The signal has to pass by us first. The trick is to have the proper instrumentation and analysis knowledge to catch the signal.

Our protocol is detailed. We comb the entire radio frequency spectrum using custom designed, government-level surveillance receivers, and process these signals in real-time. Final result… even the most sophisticated audio / data / video transmissions by bugs are revealed.

This level of Radio-Frequency Spectrum Analysis testing is extremely effective, but very rare outside official circles, and seldom used by many others who offer TSCM services. This is due to high cost of the instrumentation and the technical skills required to use it. (Case History)

It takes years of experience to recognize all the signal types, frequency allocations, and learn how to effectively use a radio-frequency spectrum analyzer. Simply put, even if someone can afford the equipment to discover bugs using real-time RF spectrum analysis, they need to know how to use it.

We also have discreet Portable Radio-Reconnaissance Spectrum Analysis™ receivers to handle the demands of travel security in sensitive locations.

Murray Associates provides Technical Surveillance Countermeasures and eavesdropping evaluation using real-time RF spectrum analysis, and additional advanced TSCM technology.

Have a Question About TSCM?

If you have any questions about the Spectrum Analysis or the TSCM consulting services provided by Murray Associates, simply fill out the form below, or call us from a safe area and phone.

If you think you are under active electronic surveillance, or believe you have discovered a bug or covert video camera, go to our Emergency TSCM page. The procedural checklist there will tell you exactly what you need to do next.