ASUS RT-AXE7800 AXE7800 Wireless Tri-Band 2.5G / 1G RT-AXE7800
Amazon.com: Speedefy WiFi Router for Home, AC1200 Gigabit Dual Band Computer Routers for Wireless Internet, Long Range Coverage, MU-MIMO, IPV6, Beamforming, AP Mode, Guest WiFi and Parental Control (Model K4) : Electronics
The Differences Between Single Band, Dual Band, And Tri Band Routers
Linksys Official Support - What is a Tri-Band Router and how does it work?