单项选择题
A.145W B.265W C.485W D.895W
A.G（dBi）=G（dBd）+2dB B.G（dBi）=G（dBd）-2dB C.G（dBi）=G（dBd）+3dB D.G（dBi）=G（dBd）-3dB
A.DB15-RJ45转换头 B.旧版RBS2206的OVP模块 C.旧版RBS2206PSU D.旧版RBS2206IDM
A.FCCH B.BCCH C.SCH D.PCH
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