The CD7506 is a precision 4.5GHz RG6 coax for HD/SDI, standard SDI or high resolution video applications. Clarkâs CD series coax features specifications that meet or exceed SMPTE 259M, 292M and 424M standards for high-definition digital video interconnect applications. Also built for easy termination, the CD series has an easy-to-strip outer jacket and dielectric that streamline connector termination. Rated type CMR C (UL) US and FT-4, the CD7506 can be installed in a variety of permanent installation locations and environments.