The R&S ZNB8 from Rohde & Schwarz is a Vector Network Analyzer with Frequency 9 kHz to 8.5 GHz, IF Bandwidth 1 Hz to 10 MHz, Output Power typ. 12 dBm to 15 dBm, Power Sweep Range 98 dB, Dynamic Range typ. 122 dB to 140 dB. Tags: Vector Network Analyzer. More details for R&S ZNB8 can be seen below.