A.一個WO-BU,一個BL-SY B.兩個都是WO-BU C.一個WO-EX,一個SP-EX D.兩個都是WO-EX
A.基站接收靈敏度 B.提高基站信號功率 C.降低噪聲
A.16mm B.40mm C.35mm D.25mm