You can also buy equipment from outside providers.
Try Weaknees or Solid Signal.
The newer Genie DVR receivers (HR 34 and HR 44) require the SWM dish/wiring setup.
The version for RV's is expensive and some shops don't install them.
The box required for a second TV location is called a client or mini.
First one was a C31, now its a C41. The latest has just been released; its
the C41W, it is wireless which (I assume) means no coax cable required. Think it still
needs 120volts to power it. Not fully wireless but handy in coaches that did not come
pre-wired with Cat 5 or RG6 coax back to the bedroom.