Welcome to our line of Low Frequency, Natural Radio Research, Broadcast, Marine and Shortwave products. Our evolving product line is the result of our dedicated research efforts primarily in the areas of LF, VLF, MF, and HF. All our designs are original and produced exclusively by our company. Research and continuous testing is the cornerstone of what we do at LF Engineering. All products are manufactured at our facility in East Haven, Connecticut, USA.