HD Flag Pole Antenna Coax Cable for Base Camp and Base Stations is a thick, 0.4 inches diameter coaxial cable built for connecting a mobile radio to a distant mounted fiberglass antenna, such as a flag pole or trailer top. Suitable for any indoor or outdoor application where the antenna's distance exceeds what our standard antenna cables can reach. Designed primarily for our fiberglass antenna, but can also be used with our standard NMO style antennas using an adapter. Modification requests like custom length or connectors may incur a labor charge due to the cable's larger diameter and specific tools required. Available in 25' and 35' lengths.