The R&S ZVL6 from Rohde & Schwarz is a Vector Network Analyzer with Frequency 9 kHz to 6 GHz, Output Power typ. â€“60 dBm to +10 dBm, Dynamic Range typ. 85 dB to 123 dB, Measurement Speed <50 ms, Test Points 2 to 4001 points per trace. Tags: VNA with Screen. More details for R&S ZVL6 can be seen below.