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Key fob
Meaning
Noun
●
An
item
carried on
a
key ring
either as
decoration
or for security.
●
A
passive
wireless
electronic
device
that usually
uses
RFID technology to control access to
buildings
,
containers
,
computers
, etc. by being
placed
near
a detector.
●
An
active
wireless
electronic
device
that
controls
access to
buildings
or
vehicles
, such as a
remote control
for a
car door
lock.
Sourced from
Wiktionary
Synonyms
Keyfob
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