ASUS RT-N13U/B Wireless 3 in 1(Router, Repeater, AP) Router w/ USB can support 3G(AT&T,T-Mobile,Verizon) USB dongle WIFI sharing and All-in-One Printer Server(Open source DD-WRT Support) IEEE802.11n - Newegg.com
ASUS RT-AC66U (3G/4G) 1750 MBPS 3 ANTENNA DUAL BAND ROUTER (UP TO 50 USER) – EFA Computer
ASUS router quick how-to: connect with a USB 3G/4G modem - YouTube
Asus RT-AX53U: Cheap router in test, or WiFi 6 for the masses - HWCooling.net
4G-AX56|Modem Routers|ASUS Global
ASUS 4G-AC68U AC1900 Wireless 4G LTE Modem Router, 3G/4G Support, Gigabit LAN - Great buy
How to Connect to an ASUS RT-AC68U Router - FileFlex Enterprise Help
DSL-AC68U||ASUS USA
Asus RT-AC86U Review: A Terrific Router | Dong Knows Tech