Türsprechanlagen

Türsprechanlagen, also known as intercom systems or door entry systems, are electronic communication devices that allow individuals inside a building to communicate with visitors at the entrance. They typically consist of an outdoor unit, usually mounted near the main door, and one or more indoor units located within the building.

The outdoor unit commonly includes a microphone, a speaker, and a call button. When a visitor presses the call button, it activates the corresponding indoor unit, which alerts the resident with a chime or ringing sound. The resident can then use the speaker and microphone on the indoor unit to speak with the visitor.

Indoor units vary in complexity. Basic systems feature only a speaker and microphone, enabling voice communication. More advanced systems may incorporate a video camera in the outdoor unit, allowing the resident to see the visitor on a screen integrated into the indoor unit. These video door entry systems provide an added layer of security.

Türsprechanlagen enhance security by allowing residents to screen visitors before granting them access. They are commonly installed in residential buildings, apartment complexes, and commercial properties. Many modern systems can also be integrated with electronic door locks, enabling residents to unlock the door remotely for authorized visitors after communication. Some advanced systems offer smartphone integration, allowing communication and access control from a mobile device.