It seems that you want to know if the Slingbox offers the option for multiple connection at the same time.
The short answer is no. The Slingbox does not offer the option to stream to multiple viewers at the same time. Although you can get the connection from many computers at different times, the Slingbox will allow only one connection at the time. The following link will provide you with further details:
Two viewers watching the same Slingbox
Hope this helps!