An antenna and a wireless mobile communication device incorporating the antenna are provided. RDE allocates the available coding bits first to the information bit with the steepest R-D slope, which indicates the largest distortion decrease per coding bit. The rectangle on one metal level is at least as wide in width and vertically covers in width the rectangle on the metal level immediately below. In this case, the rotor 4 is driven in a cooperation manner in which the plurality of actuators 5A, 5B are cooperatively driven. When such comparison results in match, then continue execution of processing based on the frame instruction; if comparison results in failure of match, then reject any request.