I repurposed an old Wi-Fi router to improve one stubborn corner of my home network
· howtogeek.com · popularity 19/100 · 0 similar stories today · Internet, Telecom & Networking (Technology & Consumer Electronics)

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Summary
No need to go all-out on mesh, but you might already own the very solution you need.
Found in: How-To Geek. Rating basis: single outlet; outlet tier 2 (unlisted); 1 feeds; feed position 8.