Hello Aline_71
Thank you very much for your question. The answer from M-zgraggen is basically correct, BUT: the setup and programming of the Smartvest alarm system is done via an app on a mobile phone and this must necessarily be operated in a WLAN. Once the programming has been done, the alarm system can also be operated independently of the WLAN thanks to the radio components, but a visual and acoustic siren (Galaxus Art. 5946450) would then also be necessary for the alarm. For external programming of a SmartVest system, please contact one of our specialist installers (addresses at https://www.abus.ch).
ABUS Switzerland Team

Hello the control panel is connected to the LAN via an RJ 45 plug. Then the components are connected via radio. I don't think so, but to be on the safe side, ask the supplier again.