An electronic device comprising: a housing including a back cover and a cover glass facing away from the back cover, wherein the back cover comprises: a first area having a first width; a second area having the first width and spaced apart from the first area by a specified distance; a third area having a second width smaller than the first width and connecting the first area and the second area, wherein the first area, the second area and the third area are conductive portions and an insulation member disposed between the first area and the second area and configured to surround the third area; a coil type radiator disposed between the back cover and the cover glass, wherein a portion of the coil type radiator is disposed between the first area and the second area of the back cover, so that said portion of the coil type radiator overlaps with a portion of the insulation member, and the rest of the coil type radiator is disposed in an area corresponding to the first area; at least one printed circuit board disposed between the coil type radiator and the cover glass; a communication circuit disposed on the at least one printed circuit board and configured to feed to the coil type radiator; a first connecting member configured to connect a first point in the first area of the back cover and a second point on the at least one printed circuit board; a second connecting member configured to connect a third point on the at least one printed circuit board and a fourth point in the second area of the back cover; and one or more elements (142, 143) disposed between the second point and the third point on the at least one printed circuit board, wherein the communication circuit is configured to transmit or receive a signal in a first frequency band, based on a first electrical path formed by the coil type radiator and is configured to transmit or receive a signal in a second frequency band, based on a second electrical path formed by the first connecting member, the second connecting member, and the one or more elements, wherein the communication circuit is configured to feed to the second area and transmit or receive a signal in a third frequency band through an electrical path formed through the second area. a housing including a back cover and a cover glass facing away from the back cover, wherein the back cover comprises: a first area having a first width; a second area having the first width and spaced apart from the first area by a specified distance; a third area having a second width smaller than the first width and connecting the first area and the second area, wherein the first area, the second area and the third area are conductive portions and an insulation member disposed between the first area and the second area and configured to surround the third area; a first area having a first width; a second area having the first width and spaced apart from the first area by a specified distance; a third area having a second width smaller than the first width and connecting the first area and the second area, wherein the first area, the second area and the third area are conductive portions and an insulation member disposed between the first area and the second area and configured to surround the third area; a coil type radiator disposed between the back cover and the cover glass, wherein a portion of the coil type radiator is disposed between the first area and the second area of the back cover, so that said portion of the coil type radiator overlaps with a portion of the insulation member, and the rest of the coil type radiator is disposed in an area corresponding to the first area; at least one printed circuit board disposed between the coil type radiator and the cover glass; a communication circuit disposed on the at least one printed circuit board and configured to feed to the coil type radiator; a first connecting member configured to connect a first point in the first area of the back cover and a second point on the at least one printed circuit board; a second connecting member configured to connect a third point on the at least one printed circuit board and a fourth point in the second area of the back cover; and one or more elements (142, 143) disposed between the second point and the third point on the at least one printed circuit board, wherein the communication circuit is configured to transmit or receive a signal in a first frequency band, based on a first electrical path formed by the coil type radiator and is configured to transmit or receive a signal in a second frequency band, based on a second electrical path formed by the first connecting member, the second connecting member, and the one or more elements, wherein the communication circuit is configured to feed to the second area and transmit or receive a signal in a third frequency band through an electrical path formed through the second area.