Single band, dual band, and tri-band WiFi router. What's the difference? : r/LinksysOfficial
Linksys Single Band 802.11a Wireless Gateway Router E5400 - Office Depot
The Differences Between Single Band, Dual Band, And Tri Band Routers
Amazon.com: ASUS (RT-N16) Wireless-N 300 Maximum Performance single band Gaming Router: Fast Gigabit Ethernet, support USB-Hard Drive and Printer and Open source DDWRT : Electronics
Dual Band vs Single Band Router
WiFi Wireless Router 300m Single Band 2.4G with 4 Antennas - China 300m 2.4G Wireless Router, 4 Antennas | Made-in-China.com