For fiber optic internet speeds of 100 Mbps or higher, a router supporting at least 1 Gbps is required. Look for routers with AX or AC designations (Wi-Fi 5 or 6) that support faster speeds than older N standards (Wi-Fi 4). To understand this, you need to know how Wi-Fi channel width works. For budget-conscious households, the TP-Link Archer AX55 delivers reliable Wi-Fi 6 performance without the premium price tag. Between different frequency bands, interference issues, and device support, there's no one-size-fits-all answer. 11be) technology and a quad-core 2.