The RF elements® Array Sector 2-17 Antenna is a high performance option for unlicensed frequency bands. It offers excellent RF performance, colocation capability, easy installation, and cost-efficiency. Additionally, the side lobes of Array Sector antennas are suppressed using BackShield™, patented, frequency selective surface attenuating azimuth side lobes and back lobe, integrated into the antenna body. This ensures reliable performance regardless of which channel you use.