key fob

See also: keyfob

English

an electronic SecurID keyfob

key fob (plural key fobs)

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.
Hyponyms: electronic car key, plipper
- 2020, N. K. Jemisin, The City We Became, Orbit, page 416:
  She finds her key fob and unlocks the doors.

item carried on a key ring

passive device that controls access

Chinese:
Mandarin: please add this translation if you can
Finnish: (elektroninen) avaimenperä, avaimenperätunnistin, RFID-avain
German: elektronischer Schlüsselanhänger m, RFID-Schlüsselanhänger m, RFID-Transponder m
Hungarian: közelítőkulcs
Russian: брело́к (ru) m (brelók)

active device that controls access

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