The PIXIE Touch Panel is connected to the network in the home via Ethernet or WiFi. It requires a PIXIE gateway to operate.
Likewise the PIXIE Gateway is connected to the home network via Ethernet or WiFi.
These devices must be on the same SUBNET IP address to operate correctly.
When operating the Touch Panel, messages are sent over this home network to the Gateway which transmits the PIXIE BT Mesh messages into the PIXIE network. The Touch Panel does not transmit messages via Bluetooth mesh.
More information can be found here:

