High Speed Interconnects (HSI) is a designer, extruder, and manufacturer of custom micro-coaxial and coaxial cable assemblies. Headquartered in Scottsdale, AZ, and with facilities in Portland, OR, HSI is one of a few manufacturers extruding its own high-performance coaxial cable. They are the exclusive cable assembly manufacturer using a new expanded PTFE (ePTFE) called VP90. HSI’s low-loss, low-capacitance, phase-stable, coaxial interconnect solutions are available in a variety of cable constructions. These constructions include circular and micro-coaxial cable assemblies down to 0.3 mm pitch and fine wire, direct-to-board assemblies down to 0.175 mm.