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 ...

An original Honda ... for this chip is also why you can't buy a new aftermarket Audi key fob online. “The fob has become a critical part of the security of the car,” he said. The average price for an ...

Gone are when you couldn't start your car's engine without a physical key. Modern vehicles today come with key fobs that are more useful than just starting your car and locking and unlocking its doors ...