Pre-configured package for 2 residential units for the TCS:BUS consisting of: 1x built-in door loudspeaker (TCU series) 16WE, article number: ASI12000-0000, pre-programmed, 2x door telephone comfort 4-button WS, article number: ISH3130-0140, 1x Vers. + control unit BVS20 1-line 4TE, article number: BVS20-SG, The package is pre-configured at the factory and can be expanded to a limited extent, The functions of the indoor and outdoor stations can be changed to a limited extent using TCS service products, The components support stand-alone operation
