Electronic detection devices using radio frequency identification (RFID), short-range wireless technology, or other wireless technologies to detect the presence of electronic or tagged items in enclosed spaces, and to alert users via a companion application or device interface

'alert':32 'applic':37 'companion':36 'detect':2,19 'devic':3,39 'electron':1,23 'enclos':28 'frequenc':6 'identif':7 'interfac':40 'item':26 'presenc':21 'radio':5 'rang':11 'rfid':8 'short':10 'short-rang':9 'space':29 'tag':25 'technolog':13,17 'use':4 'user':33 'via':34 'wireless':12,16

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