How Do Key Fobs Work?
- An antenna and short-range radio transmitter, often known as an RFID chip, are found in a key fob.
- It sends a unique coded signal to a receiver unit within the device using radio frequencies.
- Additionally, this receiver has an RFID tag, which is a type of data storage.
- The fob receives a signal from the reader’s transmitter and adapts its frequency accordingly.
- When a button on the fob is pressed, an immediate connection is made between the receiver device and the fob.
- The key fob’s RFID chip is predetermined to transmit certain RFID tag data.
- It is programmed to operate an automobile and it can only be used to lock or unlock that specific vehicle.
- if the data from the receiver tag corresponds with the data that the fob is asking. Should there be an inconsistency, the function won’t be executed.
What are Key Fobs and Do They Improve Security?
Key fob, The tiny portable remote control device that operates a remote keyless entry system. example of a key fob when you click the button on your keys and hear the reassuring chirp of your car’s unlocking mechanism. In this article, we will discuss about the working of Key Fobs, Improve Security by Key Fobs, etc.