KC95021 RF Demo Kit is specially designed for RF Network Analyzer learners. It contains totally sixteen types or RF circuits, among which eleven types are single-port networks, and five are dual-port networks. Furthermore, it is equipped with three well-performing (open-short-load) calibrators that are fit for UFL connectors with 1mm electrical length, which the operator can perform calibration with on the VNA before measuring the PCB antennas.