How to choose a Wi-Fi extender? Buying guide

A Wi-Fi extender broadens your wireless network coverage where the signal weakens. Maximum speed determines how smoothly your online activities run, while Ethernet ports let you connect wired devices in the extended area.

What to check

Maximum transmission speed Maximum speed indicates the theoretical rate at which the extender can relay data between your router and your devices. It directly affects the fluidity of video streaming, video calls or downloading large files in extended zones. Our site’s score compares this capacity: the least capable models show eight hundred and sixty-seven megabits per second, the median reaches two thousand five hundred, and the fastest climb to six thousand five hundred. A longer bar signals higher speed, thus greater potential for bandwidth-intensive uses. Choose a speed matching your internet router’s capacity to avoid any bottleneck. Market median: 2,500 Mbit/s

Built-in Ethernet ports The number of wired network ports determines how many devices you can plug directly into the extender by cable. This wired connection ensures optimal stability and latency for a gaming console, connected television or desktop computer located far from the main router. The rating reflects this availability: entry-level models offer a single port, also the market median, while the best-equipped provide three. A longer bar indicates more available ports. If you plan to connect several wired devices in the covered room, check this criterion before any purchase. Market median: 1

Installation and placement An extender’s effectiveness depends largely on its positioning. Place it halfway between your main router and the poorly covered area, where the signal remains strong enough to be relayed effectively. Avoid thick obstacles like concrete load-bearing walls or metal partitions that severely weaken radio waves. Most models are configured via a mobile app or web interface accessible from any browser. Consider using the same network name as your router to facilitate automatic switching of your devices between the two transmitters as you move around your home.

Benchmarks based on 30 recent market listings, collected on 4 October 2026.

What you get for each budget

Under €25

Models under twenty-five euros offer basic speed and a single Ethernet port, sufficient to modestly extend coverage in a studio or enhance the connection of an isolated wired device.

€25 to €60

Between twenty-five and sixty euros, speed improves significantly and allows smoother uses like high-definition streaming, while generally maintaining a single wired network port.

Over €60

Above sixty euros, extenders reach high speeds that support several simultaneous demanding streams and may offer up to three Ethernet ports to connect console, television and computer at once.

Frequent mistakes

Choosing an extender with lower speed than your internet router needlessly throttles your extended network’s performance.

Installing the extender too far from the main router deprives it of sufficient signal to offer effective extension.

Overlooking the number of Ethernet ports if you plan to connect several wired devices in the covered area.

Forgetting to check Wi-Fi standard compatibility between the extender and your devices to ensure optimal connection.