especially : a small electronic device used typically in place of a key (as to unlock a door or start a vehicle) or to remotely initiate the action of another device (such as a garage door)

Apr 5, 2025 · Of course, a key fob is actually a sophisticated electronic device that allows you to remotely perform certain functions that your car key would typically accomplish, such as …

Aug 5, 2024 · What Is a Key Fob? A key fob is a small hardware device that can be programmed to control access to a physical space. Cars, privately owned buildings and restricted spaces …

Oct 22, 2025 · It’s a question many drivers have: what does the fob in a key fob stand for? Contrary to popular belief, it’s not an acronym. The word “fob” actually refers to an old term for …

an electronic device connected to a key that is used to lock and unlock a car's doors or operate a piece of equipment:

Key fob definition: a programmed, battery-powered device enabling keyless access or entry, especially to a vehicle, usually carried on a key ring or keychain.. See examples of KEY FOB …

Jul 23, 2025 · A key fob, often referred to as a hardware token, offers one-factor authentication on-device to enable access to various systems and devices, including mobile devices, …

Apr 29, 2024 · A key fob is a small, handheld device—often sleek and rectangular, sometimes with a few buttons—that remotely controls your car’s locks, trunk, or even ignition.

1. A small object fastened to a key chain or key ring and designed to be comfortably grasped. 2. Such an object containing a remote-control device, as one that locks and unlocks a car.

What is a Key Fob? A key fob, also known as a fob key, is a small electronic device that allows drivers to perform various functions such as locking, unlocking, and starting their vehicles with …