Another option is a wireless repeater, sometimes called a range extender, offered by most of the wireless networking vendors. A repeater has the added bonus of giving you better wireless coverage inside your house, whereas the SlingLink only connects point to point via wired Ethernet. Here's the one I use:
http://catalog.belkin.com/IWCatProductPage.process?Product_Id=278082
There are many.
David
http://catalog.belkin.com/IWCatProductPage.process?Product_Id=278082
There are many.
David