门卡

门卡	mén kǎ	keycard
门	Mén	surname Men
门	mén	gate; door; doorway; gateway; opening (CL:扇) / valve; switch; other door-like or gate-like structure / way to do sth; knack; method; approach / family; household; lineage / (bound form) sect; school; faction (religious or academic) / (bound form) class; category; division; phylum / classifier for courses, fields of study, branches of technology, relatives by marriage, guns etc / (suffix) -gate (scandal)
卡	kǎ	to stop / to block / (computing) (coll.) slow / (loanword) card / CL:张,片 / truck (from "car") / calorie (abbr. for 卡路里) / cassette
卡	qiǎ	to block / to be stuck / to be wedged / customs station / a clip / a fastener / a checkpost / Taiwan pr. [ka3]