VLF means Really Minimal Frequency and is similar technological innovation used in detectors crafted for cash, jewelry, and relics. VLF detectors broadcast at frequencies measured in kilohertz ranging from three kHz to 70 kHz. Here i will discuss 5 reasons why you may perhaps choose a VLF over a PI https://ccn.dynamics365portals.us/forums/general-discussion/bfbd353c-93f6-f011-ad8f-001dd8050036