A.≥700MΩ.Km B.≥800MΩ.Km C.≥900MΩ.Km D.≥1000MΩ.Km
A.1300-1324 B.1200-1325 C.1100-1325 D.1000-1325
A.0.22db/km B.0.23db/km C.0.24db/km D.0.25db/km