UltraDish(TM) TP 21 - Parabolic antenna with TwistPort(TM) connector. UltraDish(TM) TP 21 is designed for participant module applications. Minimised side owls, wide frequency bandwidth and stable gain on both polarizations ensure reliable performance. The antenna reflector is made of aluminium to ensure light weight and even shape. The proprietary TwistPort(TM) wave-conductor connection allows intuitive radio connection and intuitive replacement. The solid bracket with improved grip and a variety of applicable mast diameters makes it easy and versatile. The rust-proof hardware is finished with a black coating.