Procomm SPIDER Base Station Scanner Ant. with 50 ft.Coax Bnc Receives scanner signals between 30-1200 MHz - ideal for all band scanners low&#44; high and UHF. Easy to Assemble. High Quality Stainless Steel and Chrome Plated parts. 50&apos; coaxial cable and Motorol plug and BNC connector. Mounts on 1 1/4 - 2 mast pipe SO239 connection.