With the Sirius-XM Terk SIRMARINE Marine Radio Antenna, Sirius radio customers can continue to listen to their favorite radio stations while they take a pleasurable ride out on the water in your boat. Fitting a standard 1" to 14" thread, the antenna requires only a single cable connection and installs easily. It is held securely in place with an included mounting bracket. The device is designed to withstand the rigors of traveling in marine environments, such as wind, extended vibration and salt water exposure. A full 30' of coaxial cable is included with the Sirius Marine Antenna, giving you flexibility in placement and installation. The receiver picks up 110 channels of cutting-edge satellite radio broadcasts offshore, so you can enjoy SIRIUS satellite radio programming from almost anywhere, even when you're out on a fishing trip or a pleasure cruise.