S1613B-50.0000 S1613B-50.0000(T) S1613B-60.0000(T) S1613B-66.0000 S1613B-66.0000(T) S1613B-66.0000T /66.000MHZ S1613B-66.6660(T) S1613B-66.6666 S1613B-66.6666(T) S1613B-66.6667(T)