Hey guys...Great lookin site.....I have 2 subs with dtv....Just ordered another box for my shop.....Found a extra slimline dish...so I won't have to bury 70 ft of cable.to the exsiting dish...the lnb has 4 outputs.....Just using sd for the shop...will I need a power inserter for this one box......When i hooked it up...said no communication to dish.....I hooke up at the house and had it activated....Thanks Jeffroh