How to Register RFID Transponders Scan RFID Transponders at the RFID sensor of your DoorBird IP video door intercom to receive keyless access to the house or property. Learn in this tutorial how to register RFID transponders in the Administration menu of the DoorBird app. Further Information All DoorBird products Published: 20/05/2020 09:06 How to Set Up a 4D Motion Sensor How to Set Up Call Buttons