A.1dBi=1dBd B.1dBi=1dBd+2.15 C.1dBd=1dBi+2.15 D.無(wú)法換算
A.L12B B.L13A C.L14A D.L14B
A.RX0口松動(dòng)未打緊 B.天饋故障 C.主控板故障 D.傳輸故障