VLF means Very Low Frequency and is the same technologies used in detectors built for cash, jewelry, and relics. VLF detectors broadcast at frequencies measured in kilohertz starting from three kHz to 70 kHz. Allow me to share five main reasons why you may perhaps pick a VLF over a https://www.navacool.com/forum/topic/279100/how-to-detect-jewelry-using-a-metal-detector