Anritsu Option 904, 4 GHz Vector Network Analyzer (Requires Option 804 and 21)
Anritsu MS2085A-0904 is Option 904, which enables the 4 GHz Vector Network Analyzer (VNA) functionality on the MS2085A Field Master Pro spectrum analyzer platform. This option allows users to perform S-parameter measurements up to 4 GHz, supporting applications such as cable and antenna analysis, component characterization, and network analysis in the field or laboratory. Option 904 requires the prior installation of Option 804 (VNA base option) and Option 21 (VNA bias tee) to function. The VNA capability is designed for high accuracy and portability, leveraging the MS2085A's advanced measurement engine.