FE-RR1 is a type of access control system designed by Pepperl & Fuchs. It is a RFID (radio-frequency identification) based access control system that uses proximity cards or tags to control secure access to areas. The system can be used in a variety of applications, including secure entry/exit for parking garages and secure areas in buildings, access to restricted areas, and timed access to certain areas. FE-RR1 offers a range of features, including remote control, door interlocking, alarm notification, and access to event logs. The system is also able to work with a variety of RFID tags, including Mifare tags, which provide a secure method of authentication.