The Keysight N5224B PNA Microwave Network Analyzer 10 MHz to 43.5 GHz is an integrated and flexible test engine that can measure active devices such as amplifiers, mixers, and frequency converters. This analyzer operates at a frequency range of 900 Hz to 43.5 GHz. The Keysight N5224B provides a combination of excellent hardware and powerful measurement applications to measure a broad range of devices quickly and accurately.