| 摘要 |
A high frequency device includes an antenna connector adapted to be connected with an antenna, a board, a conductor layer provided on an upper surface of the board, a filter mounted on the upper surface of the board and connected with the antenna connector, and a high frequency circuit mounted on a lower surface of the board and connected with the filter. The filter includes a case having a hollow shape having an opening which opens downward, and a resonator accommodated in the case. The case has a lower end around the opening. The lower end of the case is joined to the conductor layer. The high frequency device has a small size.
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