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key fob (A fob, commonly called a key fob, is a small security hardware device with built-in authentication used to control and secure access to network services and data. Key fob is also a word used to describe a key chain and several other similar items and devices. The word fob is believed to have originated from watch fobs, which existed as early as 1888. The fob refers to an ornament attached to a pocket-watch chain. Key chains, car starters, garage door openers, and keyless entry devices on hotel room doors are also called fobs. vatnik) |
