| CPC H01Q 1/243 (2013.01) [H04M 1/026 (2013.01)] | 20 Claims |

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1. An electronic device comprising:
a housing including a first surface on which a display is disposed, a second surface facing in the opposite direction to the first surface, and a side surface forming an internal space by surrounding a space between the first surface and the second surface;
a key button structure in the housing at least partially exposed to the side surface; and
an antenna module spaced from the key button structure to the internal space, and including a plurality of antenna elements,
wherein the key button structure comprises:
at least one key button partially exposed to the side surface, and capable of moving into the internal space when pressed,
a flexible printed circuit board comprising a ground portion, and disposed between the at least one key button and the antenna module, and
a dome pressed by the at least one key button as the at least one key button moves into the internal space, electrically connected to the flexible printed circuit board, and disposed on a region of the flexible printed circuit board, the region of the flexible printed circuit board corresponding to at least one region among regions of the antenna module located between each of the plurality of antenna elements, and
wherein the antenna module overlaps a portion of the flexible printed circuit board, when the key button structure is viewed perpendicularly.
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