| 摘要 |
Disclosed is an antenna apparatus including an antenna element including a receiving unit to receive an electric wave, a circuit board on which an amplifier circuit to amplify an input signal inputted from the antenna element is formed, and to which an input unit for receiving the input signal from the antenna element and an output unit for an amplified signal are provided, and a shield cover which shields an interfering wave by covering the amplifier circuit on the circuit board and which is grounded, and a shielding wall to shield a crosstalk between the input unit and the output unit is formed between the input unit and the output unit of the circuit board inside the shield cover, and the shielding wall is grounded.
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