Amazon.com: WAVLINK AC1200 WiFi Router Wireless Internet Router for Home, Dual Band Router 2.4GHz and 5GHz with 1000Mbps WAN/LAN Gigabit Ethernet Port, 4 x 5dBi Foldable Antennas, Supports Router Repeater AP Mode :
Tenda AC7 wifi Routers 11AC 2.4Ghz/5.0Ghz Wi-fi Repeater 1*WAN+3*LAN 5*6dbi high gain Antennas Smart APP Manage English Firmware - AliExpress
1200Mbps Wireless Router Openwrt Support Dual Wan Vlan VPN USB Print Disk NAS | eBay
Wi-Fi as WAN
Industrial 4G LTE WiFi Router with SIM Card Slot, 4G VPN Router, Indus | Linovision Global Store
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
LAN Port vs WAN Port: What's the Difference? How to Use?