Wiki Wireless 1,2ghz I Am Getting Sattelite Internet And Want To Set Up A Wireless Network. What Do I Need?

I am getting Sattelite Internet and want to set up a wireless network. What do I need? - wiki wireless 1,2ghz

My family has Dish Network and we get sattellite WildBlue Internet.

This is a picture of what the game is blue-modem:

http://en.wikipedia.org/wiki/Image:WildBlueSatelliteModemBack.JPG


In the confusion about what I need. What is the difference between a gateway and a router?
What equipment do I need?



Thank you.