Keysight Technologies Inc. Basic Spectrum Analyzer, 9 kHz to 4 GHz, upgrade
The Keysight N9321CK is an upgrade option for the N9321C Basic Spectrum Analyzer, extending its frequency coverage from 9 kHz up to 4 GHz. This upgrade enables users to perform a wide range of spectrum analysis tasks, including signal monitoring, transmitter testing, and EMI pre-compliance measurements. The N9321C series is designed for ease of use, featuring a user-friendly interface, fast measurement speed, and robust performance in RF and microwave applications. The upgrade maintains the analyzers compact form factor and reliability, making it suitable for both field and bench-top use. Official documentation confirms that the N9321CK is a factory-installed frequency range upgrade for the N9321C model.