The towitek universal access controller uac400 is the central control unit for access control systems with up to 400 authorised identifications a specific deletion of the individual lost identifications is possible comfortably thanks to the display the switch contact can be configured as time or switch contact for operating a towitek input unit must be connected to the wiegand interface for using the radio hand held transmitters the radio receiving unit order no 19 12 40 and the hand held