VLF stands for Pretty Small Frequency and is identical know-how Employed in detectors created for cash, jewelry, and relics. VLF detectors broadcast at frequencies measured in kilohertz starting from 3 kHz to 70 kHz. Listed here are 5 explanations why you could decide on a VLF in excess of a http://leydis16.phorum.pl/viewtopic.php?p=1041985#1041985