VLF stands for Really Low Frequency and is similar technological know-how Utilized in detectors built for coins, jewellery, and relics. VLF detectors broadcast at frequencies measured in kilohertz starting from 3 kHz to 70 kHz. Listed below are 5 main reasons why you might pick a VLF about a PI https://kisanlink.com/forums/discussion/poultry-discussion/metal-detector-features-you-should-know