MikroTik Radome Cover is for the mANT 30dBi parabolic antennas. • 27.5in (70cm) diameter. This radome cover reduces wind load, protects reflector surfaces from harsh environments, protects the antenna feed from falling objects, and positively affects the antenna sustainability and operational life. It's made of special plastic material that has low dielectric constant, wide temperature range, and sunlight resistance.