@TP-Link I have checked the IP address on the Deco app and it uses the IP address of the tower router instead of the public IP (192.168.1.1). I'll try the access point mode, but unfortunately, my ISP...

I live in rural Texas and have a wireless broadband ISP. My understanding of the current ISP setup is that they have a tower with a router and a single public IP that they share among multiple homes....