3 dB gain is achived with these premium antennas by featuring a 5/8 wave whip with a base loaded matching coil and it has a power handling capacity of 200 watts. These antennas are manufactured using the finest corrosion resistant materials and finishes available. The base is triple plated chrome brass with a large insert molded low loss coil form and a spring loaded contact. The large diameter coil form used in the construction of the loading coil allows for a wilder operational bandwidth and better matching characteristics than competitive models. O ring seals and overlap construction keep moisture out of the antenna. These base loaded antennas feature a great price to performance ratio. All Comtelco base loaded antennas mate with the standard TAD/NMO type mount.