| 摘要 |
In an antenna device of the present invention, a plurality of antennas 21 are connected to a radio module 41 through respective coaxial cables 22 , and one or more of the antennas 21 in good communication conditions can be selected by the radio module 41 . An upper cabinet 2 is pivoted to a lower cabinet 4 through a three-dimensional joint 3 . The radio module 41 is contained in the lower cabinet 4 , while the plurality of antennas 21 are contained in the upper cabinet 2 . The plurality of coaxial cables 22 extending from the plurality of antennas 21 are tied in a bundle to pass through a through hole 34 provided in the three-dimensional joint 3 , and are connected to the radio module 41.
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