VLF means Quite Low Frequency and is similar know-how Employed in detectors created for cash, jewelry, and relics. VLF detectors broadcast at frequencies measured in kilohertz ranging from three kHz to 70 kHz. Listed here are 5 main reasons why you could pick a VLF above a PI The GPZ https://kisanlink.com/forums/discussion/poultry-discussion/metal-detector-features-you-should-know