Router Bridge, Connect Two Routers – Router Behind Router
Amazon.com: VONETS RJ45 Ethernet Splitter/LAN WAN Network Port Extender Cable Adapter, WiFi RJ45 1 Male to 2 Female Port Cat 5 Exclusive Only Use for VONETS WiFi Bridge/Router VAP11S, VAP11S-5G : Electronics
TC Router | Phoenix Contact
networking - Connecting two LANs via WIFI where each has its own internet access with OpenWRT - Super User
USG LAN1 and LAN2 within the same network | Ubiquiti Community
Turn LAN into WAN, more Internet port more devices using Internet | NETVN - YouTube