| 摘要 |
At least one duplexer includes first and second balanced terminals. A mount electrode layer includes a first balanced mount electrode, which is connected to the first balanced terminal, and a second balanced mount electrode, which is connected to the second balanced terminal. An internal electrode layer includes at least one internal ground electrode. When viewing a mount board from a side on which the duplexer is mounted, the first and second balanced mount electrodes do not oppose the same internal ground electrode.
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