The DirecTV RC66RX RF Remote Control is designed for use with DirecTV satellite receivers and can also be programmed to control up to three additional devices such as TVs, DVD players, and audio systems. It supports both IR and RF operation, allowing control of compatible receivers without line-of-sight. The RC66RX replaces multiple older DirecTV remotes including RC16, RC23, RC32, RC64, RC65, RC66, RC66X, RC64R, RC65R, and RC65RX.