key fob
See also: keyfob
English
![](http://upload.wikimedia.org/wikipedia/commons/thumb/3/33/RSA-SecurID-Tokens.jpg/100px-RSA-SecurID-Tokens.jpg)
Alternative forms
Noun
- An item carried on a key ring either as decoration or 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.
Translations
item carried on a key ring
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passive device that controls access
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active device that controls access
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