Keysight Technologies Inc. FieldFox N9961A Upgrades
The Keysight N9961AU is a series of software and hardware upgrades specifically designed for the Keysight FieldFox N9961A handheld RF analyzer. These upgrades enable users to enhance the functionality of their FieldFox instrument by adding measurement capabilities such as spectrum analysis, vector network analysis, power meter, and more. Each N9961AU upgrade is tailored to unlock specific features or performance enhancements, allowing users to customize their FieldFox N9961A to meet evolving test requirements in the field. Upgrades are available as license keys or hardware modules, depending on the selected option.