Hello
How speed of dc motor increase with voltage
Hello,
We moved your post to a more appropriate section of the forum.
With brushed DC motors, speed and voltage have a roughly linear relationship. We have a FAQ on some of our motor pages that discusses this relationship (and other motor characteristics), in more detail.
-Dan
Hello
How the brushed of dc motor made at what voltage it operate and current
Your question is not clear. Are you asking about a specific motor? If so, please post a link to it.
-Dan
Hello
Here is the picture of it 
We do not know what motors are used on satellite dishes like that, but they are certainly a far different class and scale from the motors we sell.
-Dan