Shakespeare 36" Squatty Body Antenna f/Sailboats AIS. This Boat Antenna from the experts at Shakespeare features a tin-plated copper wire coil that is designed specifically for AIS transceivers. The Shakespeare AIS Sailboat Antenna has a length of 36 inches making it a very efficient antenna for most sailboat masts. For a great way to make sure you are working with one of the best antennas that the marine industry has to offer choose the Shakespeare AIS Sailboat 5215-AIS 36in Squatty Body AIS Antenna. Specifications for Shakespeare AIS 5215-AIS 36" Squatty Body Antenna f/Sailboats: Manufacturer: Shakespeare Color: Black Length: 36 in Features of Shakespeare AIS 5215-AIS 36" Squatty Body Antenna f/Sailboats Antenna Band: AIS DB Gain (dB): 3 Length (Inches): 36" Package Contents: Shakespeare AIS 5215-AIS 36" Squatty Body Antenna f/Sailboats Shakespeare 5215-AIS: 5215-AIS 36" Squatty Body Antenna f/Sailboats AIS