VLF means Extremely Low Frequency and is identical know-how used in detectors crafted for cash, jewellery, and relics. VLF detectors broadcast at frequencies calculated in kilohertz ranging from 3 kHz to 70 kHz. Here are five main reasons why you may perhaps choose a VLF in excess of a PI https://www.lycantic.com/forum/viewtopic.php?f=2&t=1614408