An electronic device, comprising: a housing (500-H) including a first face (500-H1) and a second face (500-H2) that faces in a direction opposite to the first face; a display exposed through the first face (500-H1) of the housing; a ground member disposed between the first face (500-H1) and the second face (500-H2); an antenna radiator at least partially disposed within the housing (500-H) and/or on a portion of the housing; a communication circuit electrically connected to the antenna radiator; a wireless charging circuit; a conductive member disposed within the housing (500-H) or forming a portion of the second face (500-H2) of the housing; and a control circuit electrically connected to the ground member and the conductive member, wherein the control circuit is configured to selectively connect the conductive member to the ground member, control circuit selectively providing one of: a first state, in which the antenna radiator is electrically connected to the ground member, but is not electrically connected to the conductive member, and a second state, in which the antenna radiator is electrically connected to the ground member and the conductive member, wherein the control circuit is configured to selectively provide the first state and the second state at least partially based on whether a user is positioned close to the electronic device; and wherein the control circuitry comprises a switch for selectively connecting the conductive member to one of a plurality of components, the plurality of components comprising two or more of the ground member, the communication circuit, and the wireless charging circuit. a housing (500-H) including a first face (500-H1) and a second face (500-H2) that faces in a direction opposite to the first face; a display exposed through the first face (500-H1) of the housing; a ground member disposed between the first face (500-H1) and the second face (500-H2); an antenna radiator at least partially disposed within the housing (500-H) and/or on a portion of the housing; a communication circuit electrically connected to the antenna radiator; a wireless charging circuit; a conductive member disposed within the housing (500-H) or forming a portion of the second face (500-H2) of the housing; and a control circuit electrically connected to the ground member and the conductive member, wherein the control circuit is configured to selectively connect the conductive member to the ground member, control circuit selectively providing one of: a first state, in which the antenna radiator is electrically connected to the ground member, but is not electrically connected to the conductive member, and a second state, in which the antenna radiator is electrically connected to the ground member and the conductive member, wherein the control circuit is configured to selectively provide the first state and the second state at least partially based on whether a user is positioned close to the electronic device; and wherein the control circuitry comprises a switch for selectively connecting the conductive member to one of a plurality of components, the plurality of components comprising two or more of the ground member, the communication circuit, and the wireless charging circuit. a first state, in which the antenna radiator is electrically connected to the ground member, but is not electrically connected to the conductive member, and a second state, in which the antenna radiator is electrically connected to the ground member and the conductive member, wherein the control circuit is configured to selectively provide the first state and the second state at least partially based on whether a user is positioned close to the electronic device; and wherein the control circuitry comprises a switch for selectively connecting the conductive member to one of a plurality of components, the plurality of components comprising two or more of the ground member, the communication circuit, and the wireless charging circuit.