The following components are generally required for normal video/audio communication in letterboxes:
- Microphone and loudspeaker: For audio communication, a microphone and a loudspeaker are required, which can also be integrated into the letterbox.
- Control unit/system center: A device that controls the communication between the outdoor microphone and the indoor stations.
- Indoor station: A display with loudspeaker inside the house to be able to see and speak to the person at the door.
- Connection technology: Depending on the system, this can be 2-wire bus technology, LAN or WLAN.
Information on product safety
Manufacturer information:
Name: ABB Asea Brown Boveri Ltd
Street name: Kallstadter Str 1
Postal code, City: 68309 , Mannheim
Country: Deutschland
State: Baden-Württemberg
E-Mail: info@rt-tc.de
Homepage: https://global.abb/
Street name: Kallstadter Str 1
Postal code, City: 68309 , Mannheim
Country: Deutschland
State: Baden-Württemberg
E-Mail: info@rt-tc.de
Homepage: https://global.abb/
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Bedienungsanleitung Innenstation M22002-W-02 mit 3 Tasten
