VLF means Quite Minimal Frequency and is the same technologies Employed in detectors constructed for coins, jewelry, and relics. VLF detectors broadcast at frequencies calculated in kilohertz ranging from three kHz to 70 kHz. Here are 5 reasons why you could go with a VLF above a PI Disclosure: Several https://ourfathersfamily.com/blogs/54908/Gold-Detector-with-Enhanced-Detection-Power