The place where my Wii U is located is unable to get a connection to my router. Well, it does get some signal, but flickers between 1 bar and none. I've found that the only way to extend my WiFi range is to buy a wireless extender. My only issue is if the extender will work with my router? My router is a Wireless G Air Station Buffalo router. I plan on buying this extender (I know it's relatively cheap, but I don't want to have to spend that much on one). Advice would be much appreciated.
range extender are not that great, they add latency(increase lag) to the connection. you can try getting a new router or try these http://www.bestbuy.ca/en-CA/category/powerline-range-extenders-switches/30338.aspx
powerline ethernet ports, you can connect to your router with great speed using these.