Yes, extenders work, but they have quirks. What is your primary router? Is it supplied by your ISP/cable/phone company? Not every extender will work with those proprietary routers. Check with the provider and see what brands they claim will work.
On a Mac since 1984.
Currently: 24" M1 iMac, M2 Pro Mac mini with 27" BenQ monitor, M2 Macbook Air, MacOS 14.x; iPhones, iPods (yes, still) and iPads.
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