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Currently, it is not possible to have multi-master CyFi networks. There is only one hub allowed per network, and thus you cannot have multiple remotes talk to the lights.
For this particular application, I would recommend you look at our EZ-Color product portfolio. Since EZ-Color controllers are based on the PSoC architecture, they also support CyFi (so you can have HB LED control and wireless communication in one device).
As for your second question, Artaflex Inc. is currently sampling modules based on CyFi. You can contact them through this website: www.artaflexmodules.com
One more thing...there actually may be a way to implement the functionality that you want, with the addition of one device.
Here it is:
1. Implement your lights as always-on nodes (these will be in receive mode always)
2. Implement your remotes as regular nodes (these will transmit only when buttons are pressed)
3. Create an external hub that would route the messages between the remotes and lights
So if you wanted a network of 10 lights and 2 remotes, your network would be made up of 12 nodes and 1 hub.
This has several advantages. One, it allows any combination of lights and remotes. Second, since the hub is wall-powered, it can have power amplification to reach the lights. Third, it works within the framework of CyFi SNP as it stands today.
The one disadvantage it has is the need to implement the external hub.
What do you think?