The R&S ZVA8 from Rohde and Schwarz is a high end VNA with up to 4 sources for sophisticated measurements up to 8 GHz. The frequency range can be extended up to 500 GHz. It has a dynamic range of 110 dB to 140 dB, a measurement speed of less than 2 us per point, a sampling time of 430 ns per point and a power of 15 dBm. The R&S ZVA8 is ideal for commercial, military and aerospace applications. It has N type-female connectors.