VLF stands for Quite Low Frequency and is the same know-how Utilized in detectors built for cash, jewellery, and relics. VLF detectors broadcast at frequencies measured in kilohertz starting from three kHz to 70 kHz. Here's 5 reasons why you might select a VLF about a PI Reap the benefits https://168.exodirectory.com/index.php?topic=267775.new#new