Get satellite radio signals on the waves with the Tram® Marine Satellite Radio Antenna. This antenna is designed specifically for boating usage and features a 1-in. x 14 thread and nylon ratchet mount for easy lay-down. The stainless steel antenna is compatible with Sirius® and XM® services while providing high performance on XM® frequencies. | Tram | | Marine Satellite Radio Ratchet-Mount Antenna with RG58 Cable | White | Best Buy