Linksys Official Support - What is a Tri-Band Router and how does it work?
Netgear Nighthawk Axe11000 Tri-Band WiFi 6E Router (up to 10.8Gbps) with new 6GHz band | very.co.uk
NETGEAR Nighthawk Tri-Band 5 | EXR8NE10324511 | Routers and Switches
DIR-890L Wireless AC3200 Tri Band Gigabit Cloud Router | D-Link UK
TP-Link AXE5400 Tri-Band Wi-Fi 6E Router, Wi-Fi Speed up to 5400 Mbps, 5x Gigabit Port, 1× USB 3.0 Port, 1.7 GHz Quad-Core CPU, with TP-Link OneMesh™and HomeShield, Compatible with Alexa(Archer AXE75) :
Asus AXE7800 Tri-band WiFi 6E (802.11ax) Router | OcUK
MSI RadiX AXE6600 WiFi 6E Tri-Band Gaming Router - Fast WLAN up to 6600 Mbps (6GHz, 5GHz, 2.4GHz Wireless), AI QoS Priority, MU-MIMO, Beamforming, WPA3, 2.5G WAN/LAN & 4 x 1G LAN
Buy ASUS ROG Rapture GT-AX11000 WiFi Cable & Fibre Router - AX 11000, Tri- band | Currys
Tri Band & Quad Band: Mesh & WiFi Routers | NETGEAR
Netgear AX11000 6 Port Tri-Band 12 Stream Gigabit Ethernet Wireless Router | Active Office