The Comcast RC2392101/02B Digital TV Tuner Converter Box Remote DC50X, DC50XU B2 is a specific remote control designed for use with the Comcast DC50X converter box. It allows users to easily access and control their digital TV tuner converter box from a distance. With its compatibility with the DC50X model, this remote provides a convenient and user-friendly interface for navigating and adjusting settings on the converter box. As a product from Comcast, users can expect reliability and quality in terms of functionality and durability.