Ch. 21-47 Yagi 10 Elm. 2131415161 2 4 6 8 10 12 14 16 18 69 Ch Gain Ch. 21-69 Triax Yagi - Digital band IV/V aerial (UHF) Yagi 15 TRIAX Yagi aerials have been designed for Digital UHF-reception and are available in band IV (ch 21-37) and band IV/V (ch 21-69) versions, featuring high gain and channel selectivity. With their excellent gain and excellent front to back ratios these aerials ensure superior TV reception. The Yagi 6 aerial is only available in channel 21-69 versions. The aerials are made of an aluminium, magnesium and manganese alloy which is extremely resistant to sea fog and acid rain. Yagi 10 - 10 elem. wideband Yagi 6W                                          Yagi 10 Yagi 10 Yagi 15 Yagi 15 - 15 elem.