单项选择题
A.Crowd of people B.Office window C.Metal door D.Brick wall
A.The backhaul link is dynamic 1 to 54Mb/s. B.The backhaul link is typically a fixed value. C.The backhaul link uses DAS antennas. D.The backhaul link uses antenna multiplexing. E.The backhaul link does not rely on fade margin.
A.Transmit only B.Diversity C.Receive only D.Single isolated antenna