An electronic device includes a housing including a first plate, a second plate facing away from the first plate, and a lateral member surrounding a space between the first and second plates; a display disposed in the housing and exposed through at least a part of the first plate; an antenna module disposed at a first area adjacent to the lateral member; an electronic component disposed at a second area adjacent to the first area in the housing; at least one wireless communication circuit disposed in the housing and configured to transmit or receive a signal having a frequency between 3 gigahertz (GHz) and 100 GHz through the antenna module; a processor disposed in the housing; and a flexible printed circuit board (FPCB) including a first conductive line electrically connected between the at least one wireless communication circuit and the antenna module, and a second conductive line electrically connected between the processor and the electronic component.