An electronic device according to an embodiment includes: a housing; a frame at least partially including a conductive material, surrounds a side of the housing, and includes an insertion hole; a circuit member including a substrate, a connector, and a switch disposed on the housing and facing the insertion hole of the frame; a contact portion including a conductive material and disposed on the substrate of the circuit member to be in contact with the frame; and an opening disposed between the housing and the frame and including a first section located in a first direction with respect to the contact portion and a second section located in a second direction opposite to the first direction, with respect to the contact portion, wherein the frame may include a first portion and a second portion respectively corresponding to the first section and the second section of the opening.