The Slingbox SOLO is not wireless capable. You would need to hook it up to the router with an Ethernet cable to make the internet connection.
I have included a link to the Slingbox SOLO's Quick Start Guide for wiring information:
Once you have the Ethernet cable in place, the network light should light up. Then, on a computer, go to setup.slingbox.com or use the older version of the Desktop Player to set the Slingbox up.
Also, here is a link to the Desktop Player:
Hope this helps!
Sling Media Moderation Team