I don’t believe any performance issues for scenes are related to the hardware. A scene is simply a list (sometimes long list) of commands sent over the wire. The more devices in a scene, the more commands that have to be sent out. This overwhelms most z-wave networks, especially when devices must be routed through other devices, or the commands are not received, etc. That is why I asked for this feature: Feature Request - Add CC 43 (Scene Activation v1) and CC 44 (Scene Actuator Configuration v1) to all devices . With this, one radio command would be sent out, and each device that is part of that scene would have a preset level that it would go to. That is the purpose of CC 43 and CC 44. Zooz would just need to add support for these in device firmware. I have some GE/Enbrighten devices that support this.
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