What’s the minimum number of components I require for my OEM Alpha smart radiant heating system?

In the basic version, the following components are required for stand-alone mode:

1. OEM Alpha smartware base station
2. OEM Alpha smartware room-control device
3. OEM actuators

In the basic version, the following components are required to operate it with the app:

1. OEM Alpha smartware base station
2. OEM Alpha smartware room-control device
3. OEM Alpha smartware IoT gateway
4. OEM Alpha smart app
5. OEM actuators