Zigbee and zwave are fully local. They can’t decide to phone home over the protocols without your consent. The hubs can if they are wifi connected but that’s a different issue.
Anything on a network, be it wifi or Ethernet, can (attempt to) phone home without any use intervention, and without a wifi connected hub.
Zigbee and zwave are fully local. They can’t decide to phone home over the protocols without your consent. The hubs can if they are wifi connected but that’s a different issue.
Anything on a network, be it wifi or Ethernet, can (attempt to) phone home without any use intervention, and without a wifi connected hub.
Believe it or not, you can set up wifi or ethernet in your home without any access to the internet.
Yes, and you can also set up plumbing without connecting it to a water source. It’s just not the norm.
Though I admit it’s more likely to have a segregated network than plumbing without water.