Additional Features: Frequency range from 9 kHz to 4.5 GHz Short sweep times of 4 ms for 401 points Wide power sweep range of 98 dB Manual and automatic calibration Touchscreen user interface Four-port model with two independent generators Rohde & Schwarz has once again sets new benchmarks – with the ZNB4 vector network analyzer. These network analyzers features high measurement speed, outstanding precision and exceptional ease of operation. With frequency ranges of 9 kHz to 4.5 GHz, the ZNB Series network analyzers are targeted at applications in the mobile radio and electronic goods industries as well as at applications for high-speed PCB design and aerospace and defense. The R&S ZNB is the right choice when it comes to developing, producing and servicing RF components such as amplifiers, mixers, filters, connectors and cables.