VLF means Pretty Lower Frequency and is identical technologies used in detectors built for coins, jewellery, and relics. VLF detectors broadcast at frequencies measured in kilohertz starting from 3 kHz to 70 kHz. Here i will discuss five explanation why you might opt for a VLF about a PI After https://www.nongkhaempolice.com/forum/topic/70764/metal-detector-tips-for-beginners-and-pros