VLF stands for Pretty Minimal Frequency and is the same technology Utilized in detectors created for cash, jewellery, and relics. VLF detectors broadcast at frequencies calculated in kilohertz starting from three kHz to 70 kHz. Allow me to share five explanations why you could pick a VLF around a PI https://www.fw-follow.com/forum/topic/78632/metal-detector-tips-for-desert-exploration