| 摘要 |
PURPOSE: A wireless transmission and reception apparatus is provided to solve a problem generated by a leakage signal using a filter. CONSTITUTION: A first switch unit(SW1) is included between an antenna and a first input and output unit. A second switch unit(SW2) is included between the antenna and a second input and output unit. The one end of a first filter(F1) is connected to space between the first switch unit and the first input and output unit. Other end of the first filter is connected to a ground terminal. The one end of a second filter(F2) is connected between the second switch unit and the second input and output unit. Other end of the second filter is connected with the ground terminal.
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