The part is a 56-position, 9-row by 8-column high-speed connector featuring gold-plated phosphor bronze contacts on a black LCP housing. It belongs to the MULTIGIG RT family, a modular, printed circuit board-based, pinless interconnect solution designed for backplane applications. This connector offers flexibility and customization, including adjustable impedance matched with printed circuit wafer interfaces. It has optimized footprints to ensure signal integrity and facilitate board design, utilizing a 0.56mm via for cost-effective manufacturing. Key features include a switch slot board, left guide positioning, polarization mating alignment, and high performance up to 10Gbps with superior crosstalk characteristics. Suitable for defense, military, aerospace, communication, and networking applications.