VLF means Pretty Lower Frequency and is the same technologies used in detectors constructed for coins, jewellery, and relics. VLF detectors broadcast at frequencies calculated in kilohertz starting from three kHz to 70 kHz. Listed here are five explanations why you would possibly decide on a VLF around a PI https://webhitlist.com/forum/topics/metal-detector-for-desert-and-rocky-areas