Most drivers only use their key fob to lock and unlock doors. There's a lot more it can do, and some of these features are ...

How Does Your Key Fob Work? The key fob uses wireless technology with a frequency of 433 MHz. There are receivers/transmitters on the vehicle and the key, so they can communicate with each other. This ...

All products featured here are independently selected by our editors and writers. If you buy something through links on our site, Gizmodo may earn an affiliate commission. Reading time 5 minutes ...

A key fob is a small device that helps you engage the security system on a car to gain access and, sometimes, start the car remotely. They come attached with an RFID chip & an antenna inside and use ...

Modern car key fobs have changed the way people interact with their vehicles. You no longer need to insert a key or even press a button in some cases. The car simply detects the key nearby and unlocks ...