Siedle & Söhne NSC 602-0 Side Signal Controller : Amazon.de: DIY & Tools
Hersteller von Sprechanlagen - Siedle
Goethe | Design surface-mounted letterbox GOETHE AP with DoorBird video intercom - RAL colour of your choice Right | Architonic
Siedle Vario - Siedle
Siedle Haustelefone - Siedle
Goethe | Design surface-mounted letterbox GOETHE AP with DoorBird video intercom - RAL colour of your choice Right | Architonic
Exchange of door stations and letterboxes - Siedle
Siedle Basic - Siedle
Siedle Haustelefone - Siedle
Siedle Steel - Siedle
Just moved in here in Germany. I know that the blue dot is for someone to get in when they ring the doorbell. What are the other numbers for? Are they floor