VLF means Really Small Frequency and is identical know-how used in detectors created for coins, jewellery, and relics. VLF detectors broadcast at frequencies calculated in kilohertz ranging from three kHz to 70 kHz. Here i will discuss 5 explanations why you would possibly select a VLF more than a PI https://www.chinauksorn.com/forum/topic/8787/gold-detector-finds-you-wouldn%E2%80%99t-believe