Cisco RV340W Dual WAN Security Router (RV340W-A-K9-NA)
Amazon.com: UTT ER840G 4 WAN Ports Internet Router with 4 Gigabit WAN Ports, Wired VPN Router with Load Balance & Failover, IPSec and PPTP VPN, Access Control, for Home and Small Business :
Best Multi-WAN Routers
ASUS ROG Rapture WiFi 6E Gaming Router (GT-AXE16000) - Quad-Band, 6 GHz Ready, Dual 10G Ports, 2.5G WAN Port, AiMesh Support, Triple-level Game Acceleration, Lifetime Internet Security, Instant Guard - Walmart.com
How to add a Wi-Fi router to a cable modem? Which cable is used to connect LAN port to WAN port - Quora
networking - Expanding wireless coverage: What are the differences between LAN to LAN and LAN to WAN when it comes to connecting two wireless routers? - Super User