An electronic device is provided. The electronic device includes an electronic device including a housing including a front plate, a rear plate, and a member surrounding at least part of a space between the front plate and the rear plate and operating as an antenna radiator by being formed of a metal material at least in part, a support member including a first face and a second face, disposed between a display and the rear plate, supporting the display on the first face, and bonded to part of the side member, a printed circuit board, a housing groove formed on a first portion of the member, a conductive body bonded to the housing groove through a press-fit process, and a connection terminal disposed on the printed circuit board and electrically coupling the press-fitted conductive body to the printed circuit board.