An electronic device comprising: a patch antenna including a first conductive plate and a second conductive plate, the second conductive plate spaced from the first conductive plate and disposed parallel to the first conductive plate; a dipole antenna including conductive elements (210, 220) disposed in a space between the first conductive plate and the second conductive plate; a wireless communication circuit electrically connected with the first conductive plate and at least one of the conductive elements (210, 220); a first feed line electrically connected with a first feed part included in the first conductive plate and extending from the wireless communication circuit to the first feed part through a cavity; and a printed circuit board coupled with at least one side of the first conductive plate, at least one side of the second conductive plate, and one end of the conductive elements (210, 220), wherein the second conductive plate is electrically connected to a ground region of the printed circuit board, and wherein the wireless communication circuit is configured to: transmit/receive a first radio frequency, RF, signal having a vertical polarization characteristic using the first conductive plate and the second conductive plate and transmit/receive a second RF signal having a horizontal polarization characteristic using the conductive elements (210, 220), wherein the printed circuit board includes the cavity comprising a transverse length (w), a longitudinal length (h), and a height length (t), wherein the transverse length, the longitudinal length and the height length are configured to provide impedance matching between the first conductive plate and the wireless communication circuit. a patch antenna including a first conductive plate and a second conductive plate, the second conductive plate spaced from the first conductive plate and disposed parallel to the first conductive plate; a dipole antenna including conductive elements (210, 220) disposed in a space between the first conductive plate and the second conductive plate; a wireless communication circuit electrically connected with the first conductive plate and at least one of the conductive elements (210, 220); a first feed line electrically connected with a first feed part included in the first conductive plate and extending from the wireless communication circuit to the first feed part through a cavity; and a printed circuit board coupled with at least one side of the first conductive plate, at least one side of the second conductive plate, and one end of the conductive elements (210, 220), wherein the second conductive plate is electrically connected to a ground region of the printed circuit board, and wherein the wireless communication circuit is configured to: transmit/receive a first radio frequency, RF, signal having a vertical polarization characteristic using the first conductive plate and the second conductive plate and transmit/receive a second RF signal having a horizontal polarization characteristic using the conductive elements (210, 220), wherein the printed circuit board includes the cavity comprising a transverse length (w), a longitudinal length (h), and a height length (t), wherein the transverse length, the longitudinal length and the height length are configured to provide impedance matching between the first conductive plate and the wireless communication circuit.