Pasternack, a leading manufacturer and supplier of RF, microwave and millimeter wave products, has expanded their portfolio of general purpose VNA calibration kits with new 50 and 75 Ohm versions. These new cal kits offer excellent performance characteristics that are specially designed for the fine-tuning and calibration of sensitive test equipment in engineering labs, production environments and quality testing facilities. All of Pasternack’s calibration kits are built to withstand years of rigorous use and provide accurate RF equipment calibration for the life of the product.