VLF means Pretty Lower Frequency and is the same technological know-how Utilized in detectors designed for cash, jewelry, and relics. VLF detectors broadcast at frequencies calculated in kilohertz starting from three kHz to 70 kHz. Allow me to share 5 main reasons why you would possibly choose a VLF more https://divekeeper.com/forums/discussion/technical-diving/precision-technology-in-metal-and-gold-detectors