VLF stands for Quite Low Frequency and is identical technology used in detectors developed for coins, jewelry, and relics. VLF detectors broadcast at frequencies measured in kilohertz starting from three kHz to 70 kHz. Allow me to share 5 explanations why you would possibly choose a VLF more than a http://gzew.phorum.pl/viewtopic.php?p=614372#614372