Especially designed for boaters, the SRA-40 receives and amplifies the satellite signal. With a low profile and only 3.5" diameter, it's ideal for smaller vessels. The SRA-40 comes with a pedestal that allows three mounting options: surface-mount, rail-mount, and pedestal-mount. 25' low-loss cable and connectors included. Connect to any Sirius Satellite Radio receiver and enjoy! Two-year warranty.