VLF stands for Quite Very low Frequency and is identical technologies Employed in detectors built for cash, jewellery, and relics. VLF detectors broadcast at frequencies measured in kilohertz ranging from three kHz to 70 kHz. Allow me to share five reasons why you could possibly go with a VLF more https://dcoinformatica.com/forums/topic/109416/how-to-improve-your-metal-detector-skills/view/post_id/736619