The N9928A Fieldfox from Keysight is a handheld microwave vector network analyzer that operates from 30 kHz to 26.5 GHz. The standard model consists of a 2-port vector network analyzer with time-domian, vector voltmeter and cable & antenna analyzer. It has a dust-free design with no fans and no vents making it reliable in harsh environments. This VNA simultaneously measures all four S-parameters with a dynamic range of 91 dB and has a sweep speed of 210 ms. The analyzer weighs only 3 Kg and is ideal for analyzing distance-to-fault, S-parameters, cable trimming, return loss and power measurements.