How do I choose a Wi-Fi router?

A Wi-Fi router is the device that takes the internet connection from your ISP and turns it into the wireless signal your devices use. Choosing one well matters more than people expect, because most “the Wi-Fi is slow” problems are actually router problems, not ISP problems.

The four criteria that actually matter, in roughly this order of importance:

1. Placement. The single biggest factor in Wi-Fi performance is where the router sits in your home. FCC guidance is direct: place the router in a central location, away from walls and large metal objects, and elevate it if possible. A router stuck in a basement closet will give you terrible Wi-Fi on the second floor no matter how expensive it is. The best place is usually a central shelf or high surface, near where you use the internet most. This single change often solves more “slow Wi-Fi” problems than upgrading the router itself.

2. Coverage area and home layout. A 600-square-foot apartment is well-served by a single router. A 2,500-square-foot two-story house with interior walls is not. For larger or layout-challenging homes, a mesh system (multiple access points that work as one network) usually beats trying to push a single high-powered router. Wirecutter’s 2026 picks put the Eero 7 as the best mesh for most people, with Netgear Orbi and TP-Link Deco as alternatives.

3. Wi-Fi generation. As of mid-2026, the relevant generations are Wi-Fi 6, Wi-Fi 6E, and Wi-Fi 7. Wi-Fi 6 is the mainstream baseline — adequate for most households. Wi-Fi 6E adds the 6 GHz band, which is less congested but requires compatible devices. Wi-Fi 7 is the newest standard, with wider channels and better performance in congested environments. The Wi-Fi Alliance publishes a generation-by-generation breakdown. For a new purchase in 2026, Wi-Fi 7 or Wi-Fi 6E is the right call if your devices support it. If most of your devices are older, Wi-Fi 6 is fine and saves money.

4. Speed matching your internet plan. A gigabit internet plan doesn’t help much if your router only supports 300 Mbps on Wi-Fi. Match the router’s WAN speed to the speed you actually pay for, then leave headroom for the Wi-Fi side. The rule: router WAN speed ≥ your ISP plan speed; router Wi-Fi speed ≥ 1.5x your typical usage.

Three things that matter less than people think:

• Antenna count. Eight antennas look impressive, but the actual signal performance depends more on the radio design than the antenna count. Don’t pick a router by antenna count.
• Peak speed numbers. A router advertising “10 Gbps” is mostly marketing — your devices will not hit those speeds, and your ISP won’t deliver them. Look at the realistic throughput numbers from independent reviews.
• “Gaming” routers. Unless you are running competitive esports on Wi-Fi, the gaming-specific features are mostly aesthetic. Mesh systems and Wi-Fi 7 give you lower latency than gaming-specific QoS settings on an older router.

The mesh question specifically:

For a single-floor home under 1,500 square feet with the router in a central location, a single Wi-Fi 7 or Wi-Fi 6E router is the right choice. For everything else — multi-story homes, long single-story homes, homes with interior brick or concrete walls, homes where the router must be in an inconvenient location — mesh is worth the upgrade. The mesh approach works because each access point connects back to the router (typically via dedicated wireless backhaul in good systems), so the coverage is uniform instead of degrading with distance from a single point.

Security and configuration:

• Turn on WPA3 encryption if your devices support it, otherwise WPA2-AES.
• Change the default admin password on the router itself.
• Keep the firmware updated — most modern routers do this automatically.
• Use a guest network for visitors and IoT devices so they can’t reach your main devices.

If you want a starting point: search for a mesh Wi-Fi system on Amazon that matches your home size. Eero, TP-Link Deco, Netgear Orbi, and Google Nest Wifi are the major brands. Read independent reviews rather than relying on the manufacturer’s marketing copy — Wirecutter, The Verge, and Rtings publish detailed router reviews that are worth the read before you spend $200+.

The how-do-i-choose-a-monitor-stand answer covers the ergonomics side of the same home-office setup question, and the how-do-i-choose-a-hardware-security-key answer covers the account-security side.