The AV-569 is a Boat Type Marker Beacon antenna designed for very low drag. It is constructed of an acrylonitrile-styrene-acrylic (ASA) shell with the internal parts encapsulated in rigid urethane foam for mechanical and electrical stability. Tunes to any frame for optimum performance. The white color allows maximum performance without losses due to color pigments or unseen dirt. Supplied with cellular neoprene mounting pad and hardware.