Add-on Digital Satellite System with Digital Bit Stream Recording Receiver. D-VHS is an extension of the world's most popular VHS home video format, which adds new digital recording (storage) capabilities that make it an ideal match for digital broadcasts and other multimedia applications. Note: This is the add-on system for customers that already have a DISH Network system with the 18" Satellite Dish & LNBF. The 18" Satellite DISH & LNBF are not included on this model.