The Comcast RC2392101/02B Digital TV Tuner Converter Box Remote is a wireless control device specifically designed for use with Comcast converter boxes. With a wireless range of 5-10 meters, this remote allows users to easily access and operate their TV tuner converter box from a distance. Compatible with models RC2392101, DC50X, DC50XU, and DTA30, this converter box remote provides a convenient and user-friendly way to control your television viewing experience.