VLF stands for Pretty Small Frequency and is the same engineering Employed in detectors crafted for coins, jewellery, and relics. VLF detectors broadcast at frequencies calculated in kilohertz ranging from three kHz to 70 kHz. Allow me to share 5 explanations why you may perhaps opt for a VLF over https://castocus.com/blogs/48585/Power-Systems-of-Metal-and-Gold-Detectors