Comment by bradfitz

Lutron devices don't form a mesh network, though?

And a limit of only one range extender.

And only 50 devices?

http://www.casetawireless.com/Pages/faqs.aspx

I'll stick with Z-Wave, even though it's not perfect. And it's true that there's some terrible Z-Wave hardware but there's also better (and pricier) gear.