Since replacing my Linksys with Apple Airport (base router) and a 2nd Apple Airport Express, I've been extremely please with solid WIFI throughout the (2,200) sq ft house. 3,400 sq ft might require a 2nd express. The base units run $100-110 and the Express units are $75 +/- Once the base unit is installed and configured (easy) the express units simply plug into any room outlet, wherever you need a signal.