Check the listing for details. Agilent Keysight N9912A FieldFox 6GHz RF Analyzer- Opt: 104, 111, 230, 235, 311. Condition: Used, Made in China. Listed at 8550.00 USD. Tested in good working condition. Comes with battery, charger and bag The Agilent Keysight N9912A FieldFox 4GHz RF Analyzer is a high-performance instrument designed for analyzing RF signals with frequencies up to 4GHz. With optional accessories and software, it offers advanced capabilities for precision measurements and data. This unit is loaded up with all the expensive options needed. Opt: 104, 111, 230, 235, & 311 acquisition. The FieldFox analyzer, known for its reliability and accuracy, is ideal for a range of applications in research, development, and industrial settings where detailed RF analysis is required. Its user-friendly interface and versatile features make it a valuable tool for professionals in the field of electromagnetic compatibility and signal analysis.