The R&S ZVA are 4 port Vector Network Analyzers that operate up to 110 GHz. This VNA series have an IF bandwidth of 1/5/30 MHz with a high output power of greater than 15 dBm, wide dynamic range of 140 dB and can make fast measurements at a speed of 3.5us per test point. The VNA can be used to make linear and non-linear amplifier and mixer measurements, as well as noise figure measurements.