• Introducing the N9912C FieldFox Handheld RF Analyzer Keysight Technologies is broadening its FieldFox lineup by introducing the N9912C FieldFox Handheld Analyzer. This software-defined radio frequency (RF) testing platform grants field engineers access to over 20 options, including vector network analyzer (VNA), cable and antenna tester (CAT), and spectrum analyzer (SA) capabilities for upgrade and download. The new FieldFox C-model, covering up to 10 GHz, offers the following benefits: ...