As the following picture, this is satellite receiver connection port, there is LNB IN Port, USB Port, HD out Port, RCA/AV Port, Coaxial Port and DC Port.
The following picture is our popular wireless tv sender PAT-220, there is IR Cable Port, Switch , RCA/AV Port, DC Port.
When you get wireless av extender and satellite receiver, you should connect the wireless tv sender with satellite receiver by RCA/AV cables by correct connection method, please noticed, the Yellow Port is for transmit Video signal, White and Red is for transmit Left and Right Audio signal Port, please do not connection with wrong port, or it will not work.
Connection is very easy, but we need to pay attention also, any other questions about av sender and satellite receiver, welcome to leave message at Pakite official website: pakite.net
What is RCA Jack
My HDMI & RCA Wireless Transmission