The R&S ZVL Series from Rohde & Schwarz is a Vector Network Analyzer with Frequency 9 kHz to 13.6 GHz, IF Bandwidth 10 Hz to 500 kHz, Output Power typ. -40 dBm to 0 dBm, Dynamic Range typ. 90 dB to 105 dB, Measurement Speed <50 ms. Tags: Vector Network Analyzer. More details for R&S ZVL Series can be seen below.