They’re in fobs or on phones, ... Roger Kisby for The New York Times. ... The Tesla key “card” would work — Tesla’s version of a fob — but drivers who depended on their phones were stuck.

But a surprisingly large number of hotels worldwide still use metal keys, of various vintages, attached to creative and sometimes (by design) very heavy key fobs. The ease with which key cards can ...

For many years, people took car key fobs for granted, just as they did in the old times with the classic car keys. ... and a simple key card can do everything a key fob does except look nice.

Key fobs and other smart-access technologies make it easier for us to get in and out of our homes — but they’re also a privacy hazard. Dec. 17, 2019 An apartment building with an entry device ...