Woonveilig devices

Devices
1

I used to be using a Woonveilig WV1716 security system in the past. I still have it laying around, and am contemplating on buying a homey. I know these Woonveilig devices work on 868Mhz, but does someone know if I would be able to use it’s sensor for instance? Or is a proprietary protocol they are using?