VLF means Really Very low Frequency and is similar technological innovation Utilized in detectors crafted for cash, jewellery, and relics. VLF detectors broadcast at frequencies calculated in kilohertz starting from 3 kHz to 70 kHz. Listed here are five explanations why you may go with a VLF more than a http://classichonda.phorum.pl/viewtopic.php?p=173503#173503