MOTOROLA MD1600 Cable Modem + AC1600 WiFi Gigabit Router + VDSL2/ADSL2 | Compatible with most major DSL providers including CenturyLink and Frontier - Walmart.com
VMG4005-B50A | Zyxel Networks
Turn Your PC Into a Bonded DSL Modem / Router - Speedify
DSL-Warehouse
ACTIONTEC Q2000 BONDED WIRELESS N VDSL2 MODEM ROUTER
Actiontec C2000A Wireless N VDSL2 Modem Router | ModemGuides
DSL-Warehouse
MOTOROLA VDSL2/ADSL2+ Modem + WiFi AC1600 Gigabit Router, Model MD1600, for Non-Bonded DSL from CenturyLink, Frontier, and Some Other DSL Providers: Buy Online at Best Price in UAE - Amazon.ae
Viprinet: Bonding 3G, 4G, ADSL via multi WAN routers - better than Load Balancing | DSL