VLF means Very Very low Frequency and is the same technological know-how used in detectors built for coins, jewelry, and relics. VLF detectors broadcast at frequencies measured in kilohertz ranging from three kHz to 70 kHz. Here are five explanations why you could decide on a VLF more than a https://www.tapatalk.com/groups/lovinworld/viewtopic.php?f=66&t=14245&from_new_topic=1