RFID is a new technology that used for cards. The cards using rfid doesn’t need to be swiped. You can only wave it to scan the card. It can be used for name tag, so it can be tracked with a long reach of 30 meters (98 feet). This technology is also used for rfid credit cards. By using rfid credit cards, you don’t need to slide it to magnetic scanner. Just simply wave the card, passport or can be a lisence card infront of nearby scanner.