VLF stands for Incredibly Low Frequency and is the same technologies Utilized in detectors developed for cash, jewellery, and relics. VLF detectors broadcast at frequencies measured in kilohertz ranging from 3 kHz to 70 kHz. Here i will discuss 5 reasons why you might select a VLF about a PI https://www.ptwmonksupply.com/forum/topic/36074/metal-detector-hunting-for-beginners