An electronic device comprising: a housing including a printed circuit board, PCB, in an inner space thereof; and a camera module assembly disposed in the inner space and including: a module housing; a first camera module (112a, 320) having a first camera housing, the first camera module (112a, 320) disposed in at least a part of the module housing and including a first flexible PCB, FPCB, drawn out of the module housing and connected to the PCB; and a second camera module (112b, 330) having a second camera housing separate from the first camera housing, the second camera module (112b, 330) disposed in the module housing to be adjacent to the first camera module (112a, 320) and including a second FPCB drawn out of the module housing and electrically connected to the PCB, wherein the first and second FPCBs are overlapped at least in part with each other, when the module housing is viewed from above, and drawn to face a same direction, characterised in that the module housing includes an extension having a support structure for supporting a radio frequency, RF, cable disposed in the inner space and electrically connecting the PCB to an antenna structure. a housing including a printed circuit board, PCB, in an inner space thereof; and a camera module assembly disposed in the inner space and including: a module housing; a first camera module (112a, 320) having a first camera housing, the first camera module (112a, 320) disposed in at least a part of the module housing and including a first flexible PCB, FPCB, drawn out of the module housing and connected to the PCB; and a second camera module (112b, 330) having a second camera housing separate from the first camera housing, the second camera module (112b, 330) disposed in the module housing to be adjacent to the first camera module (112a, 320) and including a second FPCB drawn out of the module housing and electrically connected to the PCB, wherein the first and second FPCBs are overlapped at least in part with each other, when the module housing is viewed from above, and drawn to face a same direction, characterised in that the module housing includes an extension having a support structure for supporting a radio frequency, RF, cable disposed in the inner space and electrically connecting the PCB to an antenna structure. a module housing; a first camera module (112a, 320) having a first camera housing, the first camera module (112a, 320) disposed in at least a part of the module housing and including a first flexible PCB, FPCB, drawn out of the module housing and connected to the PCB; and a second camera module (112b, 330) having a second camera housing separate from the first camera housing, the second camera module (112b, 330) disposed in the module housing to be adjacent to the first camera module (112a, 320) and including a second FPCB drawn out of the module housing and electrically connected to the PCB, wherein the first and second FPCBs are overlapped at least in part with each other, when the module housing is viewed from above, and drawn to face a same direction, characterised in that the module housing includes an extension having a support structure for supporting a radio frequency, RF, cable disposed in the inner space and electrically connecting the PCB to an antenna structure.