Counter-surveillance receiver
Any surveillance agent will not be alerted by ultrasonic tone. Sonic marking technique, a powerful method of detecting room transmitters - ideal when monitoring sensitive locations. It is possible to find surveillance devices and accurately display the distance from the receiver.
Detection Capability Comprehensive
The use of 4 built-in receivers operate simultaneously the device can detect a variety of broadcasts and provides detailed analysis including signal differentiation, allowing detection of shoved transmitters operating in an environment in which radio frequency signals are much stronger. Built-in receivers are wide frequency modulation; narrow frequency modulation; amplitude modulation and transmission of the sub-carrier.
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