Pasternack offers the largest selection of RF, microwave and milliemeter wave components and assemblies available for same-day shipping. Pasternack is an ISO 9001:2008 certified manufacturer and global supplier of over 40,000 RF components including connectors, adapters, cable assemblies, amplifiers, attenuators, terminations, antennas, test and measurement products, waveguides, and many other passive and active RF/MW components. Pasternack is devoted to providing our customers unequaled service, selection, availability and quality. Our Customer Value Proposition is our commitment to fill your needs when your need arises: