Setting up tv and cable

[russgarrett]

I just read your email about satellite tv. I have a 2007 307RKD 5th wheel. It has 1 outside connection. Behind the tv there 2 outlets with 1 having 2 jacks and the other outlet 1. I removed the looped cable and plug a dish receiver into 1 side and the other is OTA and plugs straight to the tv. Works great. OTA works with booster front and back when needed.
1. What is the outlet with 1 jack for ?
Is there a way I can watch the satellite in the bedroom and the den at the same time and I am aware I will be watching the same channel with 1 receiver?

Thanks if you can help !