The R&S ZVT8 from Rohde & Schwarz is a Vector Network Analyzer with Frequency 300 KHz to 8 GHz, Output Power typ. -45 dBm to 15 dBm, Dynamic Range typ. 108 dB to 138 dB, Measurement Speed <2 µs per point, Test Points 60001 points per trace. Tags: USB / Computer Controlled. More details for R&S ZVT8 can be seen below.