Keysight Technologies Inc. FieldFox 18 GHz Signal Analyzer
The Keysight N9937D is a FieldFox Handheld Microwave Spectrum Analyzer designed for field use, offering frequency coverage up to 18 GHz. It provides spectrum analysis, interference analysis, and signal monitoring capabilities in a rugged, portable form factor. The N9937D features a large display, intuitive user interface, and is engineered to withstand harsh environments, meeting MIL-PRF-28800F Class 2 standards. It supports a wide range of measurements including channel power, occupied bandwidth, and spurious emissions. The analyzer is battery-operated, lightweight, and offers flexible connectivity options for remote control and data transfer.