... GHz Agilent N9912A FieldFox RF Analyzer, Handheld Cable and Antenna Analyzer and Handheld Spectrum Analyzer, 4/6 GHz Key Features ... accessories are available under N9910X RF and MW handheld accessoriesMeasurements: seven-in-oneCable and antenna test, return loss, one-port ... changed Agilent N9912A FieldFox RF Analyzer, Handheld Cable and Antenna Analyzer and Handheld Spectrum Analyzer, 4/6 GHz Agilent ...