14 | Keysight | FieldFox Handheld Analyzers - Configuration GuideUpgradesInformation on upgrades is available from: www.keysight.com/find/fieldfoxsupportFieldFox microwave (combination) upgradesN9913AU, N9914AU, N9915AU, N9916AU, N9917AU, N9918AU,N9950AU, N9951AU, N9952AUOption Description Upgrade contents Additional requirements010 VNA time domain analysis License key 210030 Remote control capability License key None112 Enable QuickCal License key None (Does not apply to N995xAU)208 USB power sensor measurements versus frequency License key 302209 Extended range transmission analysis (ERTA) License key 233 and 2101210 VNA transmission and reflection License key None211 VNA full 2-port S-parameters License key 210212 Mixed-mode S-parameters License key 210 and 211215 TDR cable measurements License key None233 Spectrum analyzer License key None235 Preamplifier License key 233236 Interference analyzer and spectrogram License key 233238 Spectrum analyzer time gating License key 233302 External USB power sensor support License key None307 GPS receiver License key None308 Vector voltmeter License key None309 DC bias variable-voltage source License key None310 Built-in power meter License key None312 Channel scanner License key 233330 Pulse measurements License key None350 Real-time spectrum analyzer (RTSA) License key 2 233351 I/Q Analyzer (IQA) License key2 233355 Analog demodulation License key 233FieldFox VNA upgradesN9925AU, N9926AU, N9927AU, N9928AUOption Description Upgrade contents Additional requirements010 VNA time domain analysis License key None030 Remote control capability License key None112 Enable QuickCal License key None208 USB power sensor measurements versus frequency License key 302211 VNA full 2-port S-parameters License key None212 Mixed-mode S-parameters License key 211215 TDR cable measurements License key 305302 External USB power sensor support License key None305 Cable and antenna analyzer License key None307 GPS receiver License key None308 Vector voltmeter License key None309 DC bias variable-voltage source License key None310 Built-in power meter License key None330 Pulse measurements License key None1. 209 is a system based on two FieldFoxes. See page 6, FAQ #10, for a detailed description of the system requirements.2. Requires CPU2 fast processor. See page 6, FAQ #13.You Can Upgrade!Options can beadded after yourinitial purchase.UPGRADE