ELECTRIC wave detectors, the most delicate part of the wireless receiving set ... Detector between a crystal of iron pyrites and a metal point; in the Silicon Detector between the element silicon ...

To find the best metal detectors for new hobbyists and experts alike, I also consulted with an expert detectorist, who helped me understand what makes a great detector. Then, I spent two days ...

the detector also sends a confirmation signal back to the panel if requested. This reduces the number of transmissions, making the system more reliable and less likely to miss real signals from the ...

It incorporates unique features such as Digital Correlation Technology for detecting objects that create similar and correlated signals in both PIR channels, and Active IR for Anti-masking, making it ...