Various embodiments of the present disclosure may provide an electronic device that includes: a first plate directed in a first direction, a second plate directed in a second direction opposite to the first direction, and a side member configured to surround at least a part of the space between the first and second plates; a first printed circuit board (PCB) that is disposed between the first and second plates and includes at least one processor; a second printed circuit board (PCB) that is disposed between the first printed circuit board and the second plate and includes at least one antenna pattern; and a temperature sensor disposed to measure the temperature of at least a part of the second printed circuit board. Other various embodiments are possible.