key fob

Meaning

1. An item carried on a key ring either as decoration or for security.
2. A passive wireless electronic device that usually uses RFID technology to control access to buildings, containers, computers, etc. by being placed near a detector.
3. An active wireless electronic device that controls access to buildings or vehicles, such as a remote control for a car door lock.

Synonyms

keychain

keyring

Translations

Schlüsselanhänger

μπρελόκ

porte-clef

portachiavi

sleutelhanger

chaveiro

llavero