Or if you can't run ethernet cables, I've had quite good success in my house with a powerline adapter (like this one: http://www.amazon.com/Netgear-Powerline-Ex

Or if you can't run ethernet cables, I've had quite good success in my house with a powerline adapter (like this one: http://www.amazon.com/Netgear-Powerline-Extra-Outlet-PLP1200-100PAS/dp/B00S6DBGIS http://www.amazon.com/Netgear-Powerline-Extra-Outlet-PLP1200...). Couldn't vouch for how well it'd work in an apartment setting, though.