Keysight Technologies Inc. FieldFox N9933B Upgrades
The Keysight N9933BU is a series of upgrade options for the FieldFox N9933B Handheld Microwave Spectrum Analyzer. These upgrades allow users to enhance the capabilities of their existing N9933B instrument by adding features such as cable and antenna testing, vector network analysis, power meter functionality, and more. The upgrades are designed to be field-installable, enabling users to adapt their FieldFox analyzer to evolving measurement needs without returning the instrument to the factory. Each upgrade is licensed and activated via a unique code, ensuring seamless integration and immediate access to new features.