if u want to 2 tv's on single STB... you will see same channel at same time...
if u want differnt chnls you need 2 STB... and Dual LNB... attached to antenna
I am having Videocon D2H Hd connection, where STB give two output one is through AV Cable and another one is HDMI. I am Connect my TV aswell as my monitor at the same time.
Both will show the same content.