N9918A - CAT/VNA (30 kHz - 26.5 GHz), SA (5 kHz - 26.5 GHz). FieldFox is equipped to handle routine maintenance, in-depth troubleshooting and anything in between. FieldFox delivers KEYSIGHT-quality measurements - wherever you need to go. Add FieldFox to your kit, and carry precision with you. The microwave combination analyzer's base function is a cable and antenna analyzer and it can be configured to include a spectrum and network analyzer. FieldFox can be ordered with additional capabilities: power meter, independent signal generator, vector voltmeter, interference analyzer, variable DC source, and built-in GPS receiver.