The R&S ZNB8 from Rohde & Schwarz is a Vector Network Analyzer with Frequency 9 kHz to 8.5 GHz, Output Power typ. 12 dBm to 15 dBm, Power Sweep Range 98 dB, Dynamic Range typ. 122 dB to 140 dB, Measurement Speed 4 ms. Tags: VNA with Screen. More details for R&S ZNB8 can be seen below.