Communication with the ESLs is accomplished using communication base stations 206A and 206B and {HEAD ~ reading} of {TAIL ~ the RFID tags} is accomplished using portable RFID readers 208A and 208B 
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Communication with the ESLs is accomplished using communication base stations 206A and 206B and { HEAD ~ reading } of { TAIL ~ the RFID tags } is accomplished using portable RFID readers 208A and 208B
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH