是德/安捷倫(Keysight/Agilent/HP)
【弘燁科技】Keysight N5247B PNA-X Microwave Network Analyzer 微波向量網路分析儀（VNA）
型號：N5247B
Hardware options N5247B-201 2-port, configurable test set N5247B-219 2-port, configurable test set, source attenuators, receiver attenuators, bias tees N5247B-224 2-port, configurable test set, source attenuators, receiver attenuators, bias tees, second source, combiner, mechanical switches N5247B-4