This is a resolicitation of a previously solicited (HQ072727QMH01) requirement to acquire a 2-Port 10 MHz to 26.5 GHz PNA (Performance Network Analyzer) with Configurable Test Set, Reference Mixer Swi... This is a resolicitation of a previously solicited (HQ072727QMH01) requirement to acquire a 2-Port 10 MHz to 26.5 GHz PNA (Performance Network Analyzer) with Configurable Test Set, Reference Mixer Switch, Source and Receiver Attenuators, and Bias Tees to meet DMEA component testing and characterization requirements.