VLF means Pretty Minimal Frequency and is identical engineering Utilized in detectors crafted for coins, jewellery, and relics. VLF detectors broadcast at frequencies calculated in kilohertz starting from three kHz to 70 kHz. Allow me to share five explanation why you would possibly select a VLF around a PI Now http://classichonda.phorum.pl/viewtopic.php?p=178966#178966