No, all devices need to be cellular or WiFi. We tried Mesh networks in 2020 but they were extremely unreliable so we shelved that project.
If you want to avoid paying cellular fees on multiple devices, we can offer you a cellular modem that allows you to connect up to 200 Plugzio WiFi devices to a cellular network. This way you only pay cellular fees on one device.
Similar questions:
- Does Plugzio device support Mesh networks?