I currently have an Apple Airport Time Capsule that is the main router and it is set up in our guest room. I have a late 2013 15" rMBP, and my wife and I each have iPhone 6's and iPad Air 2's. I was considering buying either an Airport Express or Airport Extreme (since it has AC) to extend the range in our house. However, I know that if you connect the main router and the "extender" router wirelessLY, you lose some bandwidth and overall speed. So, I was curious if anyone knows if it would work this way: 1) Keep the TC as the main router 2) Get one of these TP-LINK extenders to plug an ethernet cable from the TC into the "master" and then put the "receiver" in the desired location 3) Run an ethernet cable from the "receiver" unit to the Express/Extreme Provided that set up is an option, would it help any with the reduction in bandwidth that I would experience if I just connected the TC to the express/extreme wirelessly? Also, assuming that I got an additional unit regardless of whether the above idea would work, would the Extreme be worth the additional cost since all of our devices can operate on 801.11ac?