An electronic device having a space formed between a front face and a rear face thereof, the electronic device comprising: a first cover disposed on the front face; a second cover (410, 510, 610, 710) disposed on the rear face; a frame surrounding a periphery of the first cover and a periphery of the second cover (410, 510, 610, 710); at least one antenna module coupled to a first face of the second cover (410, 510, 610, 710), and including a first coupling portion (540, 640, 740); and a printed circuit board (340, 550, 650, 750) disposed in the space and having a front face including a second coupling portion (560, 660, 760) electrically connected to the first coupling portion (540, 640, 740), wherein the first coupling portion includes a first pogo pin, and wherein the second coupling portion includes a second pogo pin electrically connected to the first pogo pin, or wherein the first coupling portion includes a first compression connector, and wherein the second coupling portion includes a second compression connector electrically connected to the first compression connector, wherein the at least one antenna module includes: an antenna array having a first face coupled to the first face of the second cover (410, 510, 610, 710) and electrically connected to the front face of the printed circuit board (340, 550, 650, 750); and a radio communication circuit having a first face coupled to a second face of the antenna array and electrically connected to the antenna array, wherein the second face of the antenna array includes a first region to which the radio communication circuit is coupled, and a second region in which the first coupling portion for electrical connection to the second coupling portion of the printed circuit board (340, 550, 650, 750) is disposed. a first cover disposed on the front face; a second cover (410, 510, 610, 710) disposed on the rear face; a frame surrounding a periphery of the first cover and a periphery of the second cover (410, 510, 610, 710); at least one antenna module coupled to a first face of the second cover (410, 510, 610, 710), and including a first coupling portion (540, 640, 740); and a printed circuit board (340, 550, 650, 750) disposed in the space and having a front face including a second coupling portion (560, 660, 760) electrically connected to the first coupling portion (540, 640, 740), wherein the first coupling portion includes a first pogo pin, and wherein the second coupling portion includes a second pogo pin electrically connected to the first pogo pin, or wherein the first coupling portion includes a first compression connector, and wherein the second coupling portion includes a second compression connector electrically connected to the first compression connector, wherein the at least one antenna module includes: an antenna array having a first face coupled to the first face of the second cover (410, 510, 610, 710) and electrically connected to the front face of the printed circuit board (340, 550, 650, 750); and a radio communication circuit having a first face coupled to a second face of the antenna array and electrically connected to the antenna array, wherein the second face of the antenna array includes a first region to which the radio communication circuit is coupled, and a second region in which the first coupling portion for electrical connection to the second coupling portion of the printed circuit board (340, 550, 650, 750) is disposed. an antenna array having a first face coupled to the first face of the second cover (410, 510, 610, 710) and electrically connected to the front face of the printed circuit board (340, 550, 650, 750); and a radio communication circuit having a first face coupled to a second face of the antenna array and electrically connected to the antenna array, wherein the second face of the antenna array includes a first region to which the radio communication circuit is coupled, and a second region in which the first coupling portion for electrical connection to the second coupling portion of the printed circuit board (340, 550, 650, 750) is disposed.