Semflex / Cinch Connectivity Solutions HPI Cable Assemblies incorporate high-performance HP and low-attenuation LA cables in conjunction with high-performance connectors. Semflex / Cinch Connectivity Solutions HPI Cable Assemblies provide excellent interconnect cables for a wide range of applications to 50GHz. The cable assemblies are designed to meet MIL-C-39012 and MIL-STD-348A standards.