I suspect it's a combination of NIH and the big players wanting to control the certification process and chip supply.
Z-Wave has been working perfectly fine for years. There have been protocol upgrades, new hardware, a pretty large ecosystem, etc. Zigbee apparently suffers from interop problems.
Z-Wave has been working perfectly fine for years. There have been protocol upgrades, new hardware, a pretty large ecosystem, etc. Zigbee apparently suffers from interop problems.