Electronic eavesdropping protection devices in the nature of electronic transceivers for blocking or inhibiting interrogation signals, and electronic radio frequency identification (RFID) interrogation prevention devices for blocking or inhibiting interrogation signals from a radio frequency identification interrogator with a credit card sized plastic housing

'block':12,27 'card':41 'credit':40 'devic':4,25 'eavesdrop':2 'electron':1,9,18 'frequenc':20,35 'hous':44 'identif':21,36 'inhibit':14,29 'interrog':15,23,30,37 'natur':7 'plastic':43 'prevent':24 'protect':3 'radio':19,34 'rfid':22 'signal':16,31 'size':42 'transceiv':10

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