A.dBi=dBd+2.15 B.dBi=dBd+2.50 C.dBd=dBi+2.15 D.dBd=dBi+2.50
A.Keenan-Motley B.Cost231 Walfish-Ikegami C.Cost231-Hata D.Okumura-Hata
A.CDU B.SCU C.DRU D.TDU