This unit is A Rare hard to find brand new kit. I opened the box just to make sure and show pictures. The product is a rare new Heathkit HD-1481 remote coaxial switch box antenna. This kit is specifically designed for Heathkit brand equipment, making it a unique and sought-after item for ham radio enthusiasts. The HD-1481 model offers a remote-controlled switch box for antennas, providing users with a convenient and reliable way to adjust their antenna settings. Perfect for those looking to enhance their ham radio setup with a high-quality Heathkit accessory. Ships fast and secure. Double boxed to protect the original box. (#4536)