VLF means Extremely Minimal Frequency and is identical technology Utilized in detectors crafted for cash, jewellery, and relics. VLF detectors broadcast at frequencies measured in kilohertz starting from three kHz to 70 kHz. Here are 5 reasons why you could possibly go with a VLF around a PI Disclosure: A https://whenyouriseup.activeboard.com/t72455561/when-a-gold-detector-finds-more-than-gold/?page=1#lastPostAnchor