WR10 snúinn bylgjuleiðari 75-110GHz 90gráður WR2.8 snúinn bylgjuleiðari 260-400GHz 90 gráður WR10 snúinn bylgjuleiðari 75-110GHz 90 gráður WR19 snúinn bylgjuleiðari 40-60GHz 90 gráður