B3 Antenna Control Board for i3, i4, d4, i5 & i6 Intellian's 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 to install and operate.  This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.