Please explain how I can locate a hidden interrogator and turn it off. Thanks. These devices cost thousands of dollars, and are rather bulky, so if your concern is about, say, an unscrupulous retailer ...
You can detect the presence of radio waves using a high-performance digital oscilloscope, such as the R&S RTO Oscilloscope from, Rohde & Schwarz, or a spectrum analyzer, such as the ESA-E Series ...
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