The Radio Shack RF Modulator Video Signal Converter (15-1244 A) is a universal unit designed to convert AV signals to coaxial using a 1:5 connection split. It features a black color with RCA female connectors, and operates on a multi-strand fiber type with an output voltage of 15V. Specifically designed for TV and video applications, this RF modulator from RadioShack is compact with a height of 1.75 inches, making it a versatile and convenient accessory for home audio and video setups.