Whether testing active or passive devices, the best measurement instruments with speed and performance will give you a competitive edge. In your research and development (R&D) process, Keysight vector network analyzers (VNAs) provide excellent measurement integrity, helping you turn deep insights into better designs. Our cost-effective vector network analyzers will provide the test throughput and repeatability you need for your production line, turning your parts into highly competitive components. Every Keysight vector network analyzer reflects Keysight’s expertise in linear and nonlinear device characterization. Whether measuring on the test bench, in the rack, or in the field, we can help you get more accurate measurements with confidence.