VLF means Extremely Minimal Frequency and is similar technology Employed in detectors designed 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 explanation why you might select a VLF over a PI After substantial https://linuxline.org/blogs/125296/Accuracy-of-Modern-Metal-and-Gold-Detectors