An electronic device is provided. The electronic device includes a housing including a conductive member on which at least one power supply point and ground point are positioned, at least one ground member arranged inside the housing, a first ground path connecting the ground point to the ground member, a second ground path connecting the ground point to the ground member, a printed circuit board (PCB) arranged inside the housing and a processor arranged on the PCB. The processor is configured to supply power to the at least one power supply point so that the conductive member transmits and/or receives a signal of a first frequency band.