Network Analyzer 300kHz-3GHz or 6GHz The Agilent 8753ET vector network analyzer allows characterization of RF components at an affordable price. The Agilent 8753ET includes an integrated synthesized source, test set and tuned receiver. The built-in transmission/reflection (T/R) test set provides a full range of magnitude and phase measurements in the forward direction. Built-in vector accuracy enhancement techniques include one-port, response, and enhanced response calibrations.