The Tram 1228-UHF Strong 2-1/2-In. NMO magnet mount for high frequencies is constructed of solid brass and has a fully enclosed, fully shielded high-frequency gold-plated solid brass housing for ideal performance. The mount is accompanied by a 12-ft. RG-58/U low-loss precision communication RF coax with a bare copper braid (95%), solid insulation, and solid bare copper center conductor to enhance communication. The cable comes installed with a precision PL-259 UHF male connector while the mount has a black-coat steel magnet housing for a nice, finished look..