Using two 3-way splitters on client line

I had another thread about using an 8 port module and using two 3-way splitters was suggested. I have a couple of question about it now.

I have a Hopper with sling and 2 Joey's ... that is all I want/need. I want the ability to physically take a Joey to any room such as when we have a guest I can put it in that bedroom.

House is fully wired already.

I have a structured media center centrally located. From the dish I use a solo node. The host output goes direct to the Hopper.

Can I...

Using two 3-way splitters on client line