Is it possible to copy an RFID key fob?

Yes, it is possible to copy most key RFID fobs currently used in the market today. Some key fobs are easy to copy while others require specialized equipment. When you duplicate a key fob, the original key fob must stay activated for the copy to work. Some newer key fob formats use encryption, making them more difficult to duplicate, while only a select few formats are still impossible to copy.