An electronic device including a plurality of antennas, the electronic device comprising: a first radiator a ground area, at least one matching block, a second matching block and a first feeding unit, the first radiator being configured to be supplied with power from the first feeding unit and connected with the ground area; a second radiator and a second feeding unit, the second radiator being configured to be supplied with power from the second feeding unit and connected with the ground area; and a third radiator and a third feeding unit, the third radiator being configured to be supplied with power from the third feeding unit and connected to the ground area, wherein the first radiator is configured to be connected with the at least one matching block that is connected with the ground area in parallel to the first feeding unit, the first radiator comprises a first area starting at a point of the first radiator to which the first feeding unit is connected, extending in a direction away from the at least one matching block and ending at an open end of the first radiator adjacent to the third radiator of the electronic device the length of the first area being configured to be part of a first antenna resonance length, and a second area starting at the point of the first radiator to which the first feeding unit is connected and ending at an open end of the first radiator opposite to the first area, the length of the second area being configured to be part of a second antenna resonance length, and the first radiator is configured to transmit and receive a first frequency signal through the first antenna resonance length and to transmit and receive a second frequency signal through the second antenna resonance length, wherein the second radiator comprises a third area adjacent to the first radiator, the length of the third area being configured to be part of a third antenna resonance length, and the second radiator is configured to transmit and receive a third frequency signal through the third antenna resonance length, wherein the at least one matching block is connected with the second area of the first radiator, wherein the second area is adjacent to the second radiator, and wherein the first radiator is configured to be connected with the second matching block, wherein the second matching block is connected with the first area of the first radiator so as to be adjacent to the third radiator. a first radiator a ground area, at least one matching block, a second matching block and a first feeding unit, the first radiator being configured to be supplied with power from the first feeding unit and connected with the ground area; a second radiator and a second feeding unit, the second radiator being configured to be supplied with power from the second feeding unit and connected with the ground area; and a third radiator and a third feeding unit, the third radiator being configured to be supplied with power from the third feeding unit and connected to the ground area, wherein the first radiator is configured to be connected with the at least one matching block that is connected with the ground area in parallel to the first feeding unit, the first radiator comprises a first area starting at a point of the first radiator to which the first feeding unit is connected, extending in a direction away from the at least one matching block and ending at an open end of the first radiator adjacent to the third radiator of the electronic device the length of the first area being configured to be part of a first antenna resonance length, and a second area starting at the point of the first radiator to which the first feeding unit is connected and ending at an open end of the first radiator opposite to the first area, the length of the second area being configured to be part of a second antenna resonance length, and the first radiator is configured to transmit and receive a first frequency signal through the first antenna resonance length and to transmit and receive a second frequency signal through the second antenna resonance length, wherein the second radiator comprises a third area adjacent to the first radiator, the length of the third area being configured to be part of a third antenna resonance length, and the second radiator is configured to transmit and receive a third frequency signal through the third antenna resonance length, wherein the at least one matching block is connected with the second area of the first radiator, wherein the second area is adjacent to the second radiator, and wherein the first radiator is configured to be connected with the second matching block, wherein the second matching block is connected with the first area of the first radiator so as to be adjacent to the third radiator.