A refrigerator is provided in which a communication pad is installed in one of the doors to open and close storage spaces formed in a refrigerator main body. The communication pad is detachably installed in a seating space of the door. While an upper end of the communication pad is seated in the seating space by an upper clamp, a lower end of the communication pad is seated in the seating space by a lower clamp. The upper clamp and the lower clamp are installed in the seating space through hinge assemblies. The hinge assemblies are configured so that the upper and lower clamps rotate only by a force of a predetermined value or higher. With such structure, die communication pad may be securely mounted to and easily dismounted from the door.