Additional Options
Control Unit C4
Wireless
![Control Unit C4](https://www.ubisys.de/wp-admin/admin-ajax.php?action=kernel&p=image&src=%7B%22file%22%3A%22wp-content%2Fuploads%2FC4_neu_2.png%22%2C%22thumbnail%22%3A%22%2C150%2C%22%7D&hash=69e46c81)
The C4 fits behind every switch / button and is ideally suitable for existing buildings. (C4 is an additional option)
Router R0
Wireless
![Router R0](https://www.ubisys.de/wp-admin/admin-ajax.php?action=kernel&p=image&src=%7B%22file%22%3A%22wp-content%2Fuploads%2FR0_neu_2.png%22%2C%22thumbnail%22%3A%22%2C150%2C%22%7D&hash=9ed179ca)
The R0 fits into any standard flush-mounted installation box and is ideally suitable for existing buildings. (R0 is an additional option)