VLF means Really Low Frequency and is similar technology Utilized in detectors crafted for coins, jewellery, and relics. VLF detectors broadcast at frequencies measured in kilohertz starting from three kHz to 70 kHz. Listed below are five reasons why you might decide on a VLF over a PI Disclosure: A http://inquisnower.phorum.pl/viewtopic.php?p=743421#743421