The HDHomeRun connects Duo 2 ATSC Tuners is a set-top box/appliance designed by HDHomeRun that allows users to watch and record ATSC broadcasts in digital format. It features two ATSC tuners and supports video capture in a digital format. With its Ethernet (RJ-45) external interface, the HDHomeRun Connects Duo offers convenient connectivity for users looking to access and record their favorite TV shows in high definition. This model is ideal for those seeking a reliable and versatile TV tuner solution for their computing needs.