An electronic device comprising: a first plate configured to face one surface of the electronic device ; a second plate configured to face the opposite surface of the first plate ; a side bezel structure configured to be connected to the first plate and the second plate and surround a side of the electronic device ; an antenna housing configured to define at least a partial area of the side bezel structure ; and a printed circuit board mounted inside the electronic device and configured to be connected to the side bezel structure , wherein the printed circuit board includes: a communication circuit configured to process a signal for performing communication in a radio frequency band; a ground area ; a first conductive pad disposed in one area of the printed circuit board and configured to couple between the side bezel structure and the printed circuit board ; and a second conductive pad electrically connected to the ground area and disposed between the first conductive pad and the ground area , wherein the first conductive pad and the second conductive pad are spaced from each other by a gap through which a current having a voltage equal to or higher than a threshold voltage, between the first conductive pad and the second conductive pad , can flow; wherein the device further comprises a resistor element disposed between the second conductive pad and the ground area ; and a capacitor arranged in parallel with a series of the first conductive pad , the second conductive pad and resistor element . a first plate configured to face one surface of the electronic device ; a second plate configured to face the opposite surface of the first plate ; a side bezel structure configured to be connected to the first plate and the second plate and surround a side of the electronic device ; an antenna housing configured to define at least a partial area of the side bezel structure ; and a printed circuit board mounted inside the electronic device and configured to be connected to the side bezel structure , wherein the printed circuit board includes: a communication circuit configured to process a signal for performing communication in a radio frequency band; a ground area ; a first conductive pad disposed in one area of the printed circuit board and configured to couple between the side bezel structure and the printed circuit board ; and a second conductive pad electrically connected to the ground area and disposed between the first conductive pad and the ground area , a communication circuit configured to process a signal for performing communication in a radio frequency band; a ground area ; a first conductive pad disposed in one area of the printed circuit board and configured to couple between the side bezel structure and the printed circuit board ; and a second conductive pad electrically connected to the ground area and disposed between the first conductive pad and the ground area , wherein the first conductive pad and the second conductive pad are spaced from each other by a gap through which a current having a voltage equal to or higher than a threshold voltage, between the first conductive pad and the second conductive pad , can flow; wherein the device further comprises a resistor element disposed between the second conductive pad and the ground area ; and a capacitor arranged in parallel with a series of the first conductive pad , the second conductive pad and resistor element . <EOS>