B3 Antenna Control Board for i3, i4, d4, i5 i6Intellians B3 Antenna Control Board for a range of Satellite TV Antennas. The complete range of Intellian marine satellite TV systems enables uninterrupted HD or SD TV viewing onboard. These dependable products have been developed for vessel owners who go to sea in all conditions, or for those who like to drop anchor in a quiet cove somewhere. Intellian manufactures antennas with fewer moving parts, making the products smaller, quieter, and easier t