Grandstream GWN7000 enterprise multi-wan gigabit VPN router 7 ports 3G/4G/LTE via USB dongle
Best Dual Wan Routers (Best Business Firewall VPN Routers in 2023) – MBReviews
Full Gigabit Wifi Ac Router Enterprise Core Gateway Seamless Roaming/ Multi Wan/load Balance Qos Pppoe 4 Wan Lan Port Controller - Routers - AliExpress
Best Buy: Linksys Dual WAN Gigabit VPN Router LRT224