An electronic device comprising: a housing; and a plurality of antenna modules (110, 120, 130) disposed to be adjacent to an edge of the housing, wherein each of the plurality of antenna modules (110, 120, 130) includes: a printed circuit board including a first surface, a second surface opposite to the first surface, and a side surface between the first surface and the second surface; a first antenna array including a plurality of first antenna elements (110a, 110b, 110c, 110d), wherein each of the first antenna elements (110a, 110b, 110c, 110d) extends from a respective point on the first surface to a respective point on the second surface by way of the side surface; a second antenna array disposed on the first surface and including a plurality of second antenna elements (110k, 110g, 110z, 110w); a power feeding line extending from the first antenna array and the second antenna array; and a communication circuit electrically connected with the power feeding line and configured to transmit and receive a signal in a specified frequency band by using the first antenna array and the second antenna array, and wherein the plurality of first antenna elements (110a, 110b, 110c, 110d) are plated on the printed circuit board, covering the side surface of the printed circuit board. a housing; and a plurality of antenna modules (110, 120, 130) disposed to be adjacent to an edge of the housing, wherein each of the plurality of antenna modules (110, 120, 130) includes: a printed circuit board including a first surface, a second surface opposite to the first surface, and a side surface between the first surface and the second surface; a first antenna array including a plurality of first antenna elements (110a, 110b, 110c, 110d), wherein each of the first antenna elements (110a, 110b, 110c, 110d) extends from a respective point on the first surface to a respective point on the second surface by way of the side surface; a second antenna array disposed on the first surface and including a plurality of second antenna elements (110k, 110g, 110z, 110w); a power feeding line extending from the first antenna array and the second antenna array; and a communication circuit electrically connected with the power feeding line and configured to transmit and receive a signal in a specified frequency band by using the first antenna array and the second antenna array, and wherein the plurality of first antenna elements (110a, 110b, 110c, 110d) are plated on the printed circuit board, covering the side surface of the printed circuit board. a printed circuit board including a first surface, a second surface opposite to the first surface, and a side surface between the first surface and the second surface; a first antenna array including a plurality of first antenna elements (110a, 110b, 110c, 110d), wherein each of the first antenna elements (110a, 110b, 110c, 110d) extends from a respective point on the first surface to a respective point on the second surface by way of the side surface; a second antenna array disposed on the first surface and including a plurality of second antenna elements (110k, 110g, 110z, 110w); a power feeding line extending from the first antenna array and the second antenna array; and a communication circuit electrically connected with the power feeding line and configured to transmit and receive a signal in a specified frequency band by using the first antenna array and the second antenna array, and wherein the plurality of first antenna elements (110a, 110b, 110c, 110d) are plated on the printed circuit board, covering the side surface of the printed circuit board.