I think you need one of these https/www.solidsignal.com/pview.asp?p=DPP44
It will depend on the model receivers you have. I would suggest you call DISH and ask them.
If you are trying to connect each receiver to more than one TV then you will need an HDMI distribution amp with IR so you can control the receiver from each location. https/www.solidsignal.com/pview.asp?p=280702
I think you need one of these https/www.solidsignal.com/pview.asp?p=DPP44
It will depend on the model receivers you have. I would suggest you call DISH and ask them.
If you are trying to connect each receiver to more than one TV then you will need an HDMI distribution amp with IR so you can control the receiver from each location. https/www.solidsignal.com/pview.asp?p=280702