In certain aspects antennas of RFIDTs according to the present invention have a diameter between one quarter inch to ten inches and in {TAIL ~ particular aspects} {HEAD ~ this range} is between two inches and four inches 
In certain aspects antennas of RFIDTs according to the present invention have a diameter between one quarter inch to ten inches and in { TAIL ~ particular aspects } { HEAD ~ this range } is between two inches and four inches
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