Winegard Co RP-SK21 Replacement DISH 1000 LNB Assembly - New Description: This listing is for Winegard Co RP-SK21 Replacement DISH 1000 LNB Assembly. Product type: Satellite LNB Downconverters. The title provides the available size, color, quantity, capacity, compatibility, and model details where applicable. Review the condition notes for packaging, accessories, functionality, and cosmetic information specific to this item.