English version

key card

From Longman Dictionary of Contemporary English
Related topics: Technology
key cardˈkey card noun [countable]  TENTERa special plastic card that you put in an electronic lock to open a door etc
Examples from the Corpus
key cardA key card numbering the various positions was mounted on the top of the tachistoscope.The night staff finally congregated outside my room trying endless combinations of key card whilst I ranted and raved.
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