o one embodiment of the invention; [0036]FIG. 11A and FIG. 11B are a plan view and side view, respectively, of the lower half of the mold illustrated in FIGS. 10A-10C; [0037]FIG. 12 illustrates another embodiment of the ETMS of the present invention wherein multiple tire tags and multiple receiver/transmitter units are utilized; [0038]FIG. 13 is a more detailed block diagram of a functional tire t