The document provides information about the Kathrein 86010026 Central Control Unit, including:
1) It is used to control Remote Electrical Tilt (RET) and Tower Mounted Amplifiers from an indoor location.
2) It connects to the base station via Ethernet and RS-232 and provides power and control signals to RET units via RS-485.
3) It can control up to 27 RET units and 6 amplifiers and has interfaces for network management and alarms.