VLF means Pretty Lower Frequency and is the same technological know-how Employed in detectors designed for cash, jewellery, and relics. VLF detectors broadcast at frequencies measured in kilohertz starting from 3 kHz to 70 kHz. Listed below are five reasons why you could possibly opt for a VLF above a https://dp5.boards.net/thread/1469/modern-design-metal-gold-detectors