Heres what I have currently in my home. Directtv + HD DVR (I didn't see a number on it), SWM ODR only Power Inserter P121R1-03, SWM SL3S4NR2-02 PHS3D 110602280 dish. Do I have to get the same dish and power inserter as I have now or can I get a different model? I want to setup a second home...