In the past ive installed stbs in peoples sheds,garages,outhouses, attics ,basements etc, etc etcs............I dont think there is a limit really providing its not so far from the omni box that there ll be insufficent signal .
The only issue really would be with the individual installer having a tantrum.
It might be a good idea(and very helpfull) to pre-drill any holes etc and to make things as easy as possible by moving any objects etc that are in the way.
Im sure most installers would greatly appreciate such actions and do a quality job in very little time at all.
