This topic has been discussed on these forums a great deal. I suggest you do some searches here for some really good detail that has been posted.
That said, so much depends on how you intend to use your system especially regarding the satellite system and receivers you want to use.
Larry, Stephanie Park City, Utah
2017 31SL King, 8K axles, Disc Brakes,17.5 Goodyear H tires,BU Camera,5.5 Onan, Heated HT pads, Two Uniguard Awnings, Slide Toppers, 2000w PSW inverter