The Auerswald TFS-Dialog 311, 1 Button is a sophisticated intercom system designed for smooth operation with analog telephone systems. The single doorbell button allows visitors to easily send a signal from the doorstep, connecting directly to the telephone system via a twin cable.

The system operates similarly to a traditional telephone system. When the doorbell button is pressed, communication is activated through the intercom connected to the corresponding internal telephone line. Installation is simple, designed for surface mounting, ensuring it integrates elegantly into any building structure.

• Connection: Directly to an analog a/b port of the telephone system using a twin cable.
• Operating Voltage: Powered through the analog internal line of the telephone system, requiring no additional power supply.
• Compatibility: Compatible with Auerswald systems and other manufacturers’ analog ports.
• Installation: Ideal for surface mounting, fits standard plastic boxes (approximately 130 mm x 200 mm x 50 mm).
• Durability: Made from weather-resistant plastic, available in black or standard finishes.
• Operating Range: Supports cable lengths up to approximately 1000 meters.
• Weight and Size: Compact design with dimensions of 95 mm diameter x 33 mm depth and weight of 100 g.

The Auerswald TFS-Dialog 311 exemplifies modern intercom technology, ensuring reliable communication in residential and small commercial settings.