VLF means Quite Very low Frequency and is identical technology Employed in detectors crafted for coins, jewellery, and relics. VLF detectors broadcast at frequencies measured in kilohertz starting from three kHz to 70 kHz. Listed below are 5 reasons why you may perhaps choose a VLF in excess of a http://ostrza-avalon.phorum.pl/viewtopic.php?p=399658#399658