The M9484C PXIe Vector Signal Analyzer from Keysight Technologies Inc. - up to 54 GHz for dense 5G and radar testing
22.06.2026 - 21:01:30 | ad-hoc-news.de
Reviewed: ad hoc news Bestseller & Flagship desk. Edited and checked on 2026-06-22, 20:57. Details in the imprint.
The M9484C PXIe Vector Signal Analyzer from Keysight Technologies Inc. sits in the rack with its quiet fan hum and dense front-panel RF connectors, turning a jumble of coax cables from a 5G lab bench into clean, high-resolution spectra on screen.
What the M9484C is built for
Keysight designed the M9484C as a modular PXI vector signal analyzer that covers microwave and millimeter-wave applications up to 54 GHz in a single instrument slot. The module targets 5G, Wi-Fi 7, satellite, and radar engineers who need wide bandwidth and fast sweeps in compact test systems.
In practical terms, it drops into a PXI chassis and pairs with external frequency extension modules when engineers must push beyond 54 GHz into sub-THz research bands. Product manager Joe Rickert describes the PXI approach as a way to pack more channels and functionality into tight lab footprints while cutting system-level cost versus classic benchtop boxes.
Background on Keysight Technologies shares
High-frequency PXI instruments like the M9484C feed into Keysight's position in wireless and aerospace test equipment, a core driver for its listed U.S. business.
Key specs engineers care about
On paper, the M9484C offers analysis bandwidth up to 2 GHz, which matters when capturing wide 5G NR carriers, chirped radar signals, or dense Wi-Fi channel bonding. According to the official product page, users can configure performance grades, center frequencies, and memory depth to match specific project needs.
The noise floor and phase noise are engineered for sensitive measurements around modern communications standards. In a demo seen at an RF trade show, a Keysight application engineer zoomed into a narrow spur inside a wide 5G carrier, and the spur stayed sharp and steady instead of smearing as the sweep sped up.
Modular PXI versus benchtop boxes
Compared with classic benchtop analyzers such as Keysight's UXA or PXA series, the M9484C speaks to teams standardizing on PXI for multi-channel test racks. Integrators can combine several analyzers, generators, and switch modules in one chassis, with cabling mainly on the front to keep the rear tidy for system power and control.
That matters, for example, when an automotive radar group wants to run parallel tests on multiple sensor modules in a temperature chamber. Instead of stacking several full-width boxes on a trolley, the PXI chassis and a laptop slide under the chamber, while only short RF leads peek out at eye level.
Software workflow and automation
The M9484C works tightly with Keysight's PathWave vector signal analysis software, which provides predefined measurement personalities for 5G NR, WLAN, and radar formats. Engineers quickly switch between constellation views, error vector magnitude plots, and spectral masks without rebuilding analysis from scratch.
For test automation, the PXI architecture exposes standard drivers for environments like LabVIEW and Python, so code-driven production setups can trigger sweeps, log measurements, and flag out-of-tolerance devices with minimal manual interaction. That is where manufacturing engineers see the value: less time spent re-coding when equipment changes.
Who is actually using it
Keysight executive Satish Dhanasekaran regularly highlights 5G and aerospace-defense as growth pillars in earnings calls, pointing to demand for high-frequency, high-bandwidth analyzers in both R&D and production. The M9484C sits directly in that sweet spot, supporting both civilian networks and radar or electronic warfare programs.
In a typical scenario, a university lab building a sub-6 GHz massive MIMO testbed might start with a single M9484C in an 8-slot chassis. A couple of years later, the same lab adds more PXI analyzers and signal sources, scaling channel count without throwing away the original module.
Pricing, availability, and where it fits
Keysight does not publish a flat list price for the M9484C, because final cost depends on frequency range, bandwidth options, and performance bundles chosen at order time. RF distributors and Keysight sales typically quote individually configured systems, especially when combined with frequency extension modules or multi-chassis setups.
The product is available globally through Keysight and selected channel partners, with a focus on North America, Europe, and major Asian design hubs such as Japan and South Korea. Delivery times vary with configuration and regional stock; large aerospace programs often lock in framework agreements to secure stable supply.
Context for investors and the share
Keysight Technologies grew out of Agilent and now reports strong revenue shares from communications, aerospace-defense, and automotive test segments, where PXI-based RF instruments complement its traditional benchtop analyzers. For equity holders, M9484C-type platforms illustrate how the company leans into higher-frequency standards that demand premium test budgets.
On the New York Stock Exchange, Keysight Technologies shares (ISIN US49338L1035) trade in U.S. dollars under the ticker KEYS.
Key facts on the M9484C PXIe Vector Signal Analyzer
- Product: M9484C PXIe Vector Signal Analyzer
- Manufacturer: Keysight Technologies, Inc.
- Category: Flagship/Bestseller RF test instrument
- Launch: Introduced as part of Keysight's PXI high-frequency portfolio in recent years
- RRP / Price: Configured pricing on request, depending on frequency and bandwidth options
- Availability: Direct from Keysight and authorized distributors in North America, Europe, and key Asian markets
- Target group: RF engineers in 5G, Wi-Fi, satellite, radar, and aerospace-defense, plus academic labs
- Highlight / USP: Up to 54 GHz analysis bandwidth in a modular PXI form factor for dense, scalable test systems
This article was AI-assisted and editorially reviewed. Product information without guarantee; prices and availability may change at short notice. No investment advice, no buy or sell recommendation. Stock-market transactions involve risks up to total loss.
