That's a bit confusing, but you might want to check out something like this
http://www.smarthome.com/6367g.html
That is able to read wireless connections and can also be used for ethernet connections. I'm sure there are cheaper versions of the same thing, and also more expensive ones, that was just an example. If your current router has an antenna on it, most likely it is able to read wireless connections, you just need a wireless network adapter to set up on the laptop, such as a Linksys Wireless-B or G, depending on your router.