An RF detector responds to radio energy within the limits of its design. That response is not the same as identifying a camera, a microphone or someone's intent. Homes, offices and hotels contain ordinary wireless equipment, so a signal indication can have an innocent explanation.
A false positive occurs when an observation is interpreted as the target problem even though that problem is absent. In this setting, a detector might correctly respond to radio energy while the user incorrectly concludes that the source is covert surveillance. The instrument's response and the interpretation of that response are separate questions.
The opposite limitation also matters. A recording device may not be transmitting at the time of an observation, or may work in a way the detector does not cover. A quiet instrument therefore cannot certify a space as private. Claims such as complete protection or guaranteed discovery deserve particular scrutiny when the supplier provides no defined test method.
A responsible review records both kinds of error. It explains which observations were made, under what conditions, and which conclusions those observations actually support. Where no physical testing has taken place, a review should say so plainly. If there is a concrete privacy concern, preserve the facts and contact the responsible property manager or a qualified professional. Avoid accusations, dismantling property or treating an electronic alert as proof about another person.
This is an editorial analysis of available information, not a hands-on test or a guarantee of performance. Verify current specifications before making a decision.
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