Shakespeare SRA40 3 &frac12; inch dia Low-profile Sirius Satellite Radio Antenna with SM31 Pedestal Mount Kit and 25 foot Cable Low-profile, only 3-1/2" diameter by 1.36" high with 6" cable with TNC female connector No ground plane needed White, UV-stabilized ASA plastic housing Includes pedestal mounting base, 25 foot cable and connectors 1 year limited warranty