FIG. 1 is a perspective view of one embodiment of the UHF keg tag of the present invention; FIG. 2 is a top view of one embodiment of the UHF keg tag of the present invention; FIG. 3 is a side view of one embodiment of the UHF keg tag of the present invention; FIG. 4 is a bottom view of one embodiment of the UHF keg tag of the present invention; and, FIG. 5 is a end view of one embodiment of the UHF keg tag of the present invention.