@Basboi85 As far as I can tell, I'm very limited in what I can do with the C9. No ability to separate out the IOT network, and I can't connect the inverter via wifi without adding hardware. It may be...

@Basboi85 Thank you for your response. I got excited, because I had not used TP-Link Tether app before. So I downloaded it and connected to my router, but unfortunately, "Device Isolation" is not an...

Thank you for the quick reply.

I recently had to provide an internet connection to my PV Solar Panel system inverter (SolarEdge brand) to allow system monitoring. It had previously used a 2G cellular data connection through...