upstairs or downstairs installation?

[essentR]

I'm looking at  RBR50 (not RBK50).

Is it better to install the router downstairs and the satellite upstairs or the reverse?  I have a reverse house with the LR, Fam Room and Office upstairs and the bedrooms and 2nd office downstairs.

[st_shaw]

You could put them both upstairs. Generally, higher up provides more coverage.  I have my router and satellite on my middle floor.  This provides coverage on all three floors, but best speeds on the middle floor, when most WiFi devices and usage are located.