The N9923A from Agilent is a handheld microwave combination analyzer which operates from 2 MHz to 4/6 GHz. The microwave combination analyzer's base function is a cable and antenna analyzer and it can be configured to a vector voltmeter. It can calculate all 4 S-parameters at the same time. It provides a directivity of 42 dB, a dynamic range of 100 dB and requires 10.8 V of DC supply. The N9923A is ideal for military and commercial applications. This analyzer can be configured to be controlled via an iPad or iPhone.