a u201d rfid 14 can be a chip comprising an integrated circuit and an antenna and configured for communicating with an interrogator rfid 14 will preferably also comprise a battery in electrical communication with the integrated circuit alternatively as shown in fig7 rfid 14 can comprise a substrate 70 upon which is adhered an integrated circuit chip 72 an antenna 74 and a battery 76 chip 72 and battery 76 are electrically interconnected to one another through conductive interconnects 78 chip 72 battery 76 and antenna 74 can be covered with a protective surface such as for example an encapsulant such protective surface can be provided prior to adhering rfid 14 to substrate 12 or after adhering rfid 14 to substrate 12 in accordance with the present invention rfid 14 can be mounted to substrate 12 in a variety of configurations a first of the configurations is illustrated in fig2 substrate 12 comprises a substantially planar outer surface 16 upon which is adhered rfid 14 an entirety of rfid 14 is thus received outwardly of substrate outermost surface 16 in the shown embodiment rfid 14 covers a portion 18 of outer surface 16 and leaves another portion 20 uncovered or exposed in alternative embodiments which are not shown rfid 14 can cover an entirety of outer surface 16 rfid 14 can be adhered with for example an epoxy adhesive a second embodiment configuration of a radio frequency communication apparatus of the present invention is illustrated in fig3 in referring to fig3 similar numbering to that used above in describing fig1 and 2 is utilized with differences indicated by the suffix u201c a u201d or by different numerals radio frequency communication apparatus.