. . . . "e band-pass filter; [0033]FIG. 11 is a plan view of a shared antenna unit according to a second preferred embodiment of the present invention; [0034]FIG. 12 is a frequency characteristic chart of the shared antenna unit; [0035]FIG. 13 is a block diagram of a communication device according to a third preferred embodiment of the present invention; and [0036]FIGS. 14A and 14B are a plan view and an e" .