VLF stands for Really Small Frequency and is identical technologies Employed in detectors developed for cash, jewellery, and relics. VLF detectors broadcast at frequencies calculated in kilohertz starting from 3 kHz to 70 kHz. Here i will discuss five reasons why you would possibly pick a VLF above a PI https://ccn.dynamics365portals.us/forums/general-discussion/bfbd353c-93f6-f011-ad8f-001dd8050036