An electronic device comprising: a housing ; and a plurality of antenna modules disposed to be adjacent to an edge of the housing , wherein each of the plurality of antenna modules includes: a printed circuit board including a first surface (111-1), a second surface (111-2) opposite to the first surface (111-1), and a side surface (111-3) between the first surface (111-1) and the second surface (111-2); a first antenna array (110-1) including a plurality of first antenna elements , wherein each of the first antenna elements extends from a respective point on the first surface (111-1) to a respective point on the second surface (111-2) by way of the side surface (111-3); a second antenna array (110-2) disposed on the first surface (111-1) and including a plurality of second antenna elements ; a power feeding line extending from the first antenna array (110-1) and the second antenna array (110-2); 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 (110-1) and the second antenna array (110-2), and wherein the plurality of first antenna elements are plated on the printed circuit board , covering the side surface (111-3) of the printed circuit board . a housing ; and a plurality of antenna modules disposed to be adjacent to an edge of the housing , wherein each of the plurality of antenna modules includes: a printed circuit board including a first surface (111-1), a second surface (111-2) opposite to the first surface (111-1), and a side surface (111-3) between the first surface (111-1) and the second surface (111-2); a first antenna array (110-1) including a plurality of first antenna elements , wherein each of the first antenna elements extends from a respective point on the first surface (111-1) to a respective point on the second surface (111-2) by way of the side surface (111-3); a second antenna array (110-2) disposed on the first surface (111-1) and including a plurality of second antenna elements ; a power feeding line extending from the first antenna array (110-1) and the second antenna array (110-2); 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 (110-1) and the second antenna array (110-2), and wherein the plurality of first antenna elements are plated on the printed circuit board , covering the side surface (111-3) of the printed circuit board . a printed circuit board including a first surface (111-1), a second surface (111-2) opposite to the first surface (111-1), and a side surface (111-3) between the first surface (111-1) and the second surface (111-2); a first antenna array (110-1) including a plurality of first antenna elements , wherein each of the first antenna elements extends from a respective point on the first surface (111-1) to a respective point on the second surface (111-2) by way of the side surface (111-3); a second antenna array (110-2) disposed on the first surface (111-1) and including a plurality of second antenna elements ; a power feeding line extending from the first antenna array (110-1) and the second antenna array (110-2); 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 (110-1) and the second antenna array (110-2), and wherein the plurality of first antenna elements are plated on the printed circuit board , covering the side surface (111-3) of the printed circuit board . <EOS>