End-of-life Sunparl :: SAS56017 sector 17dBi The vertically polarized sector antennas are constructed of UV stable ABS plastic radomes and die cast aluminum brackets. High quality materials allow operation in difficult weather conditions. Antenna can be used for small, medium and large size base station units. It gives strong and stable radio signal for medium and large distance. Mounted directly to the mast it allows azimuth correction.