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Keysight N9928A FieldFox Handheld Microwave Vector Network Analyzer – 26.5 GHz, 2-Port
Compact and durable 2-port vector network analyzer, ideal for field testing, RF maintenance, and cable/antenna verification.
Provides up to 26.5 GHz bandwidth, supports full 2-port measurements, and captures all four S-parameters with up to 95 dB dynamic range. Combines VNA, cable & antenna tester, distance-to-fault analysis, and USB-based average/pulse power measurement into one 3.0 kg portable device.
Key Features:
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Full 2-port VNA up to 26.5 GHz
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Simultaneous 4 S-parameter measurement
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Up to 95 dB dynamic range
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Fast field calibration: QuickCal, Unknown Thru, TRL
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USB-based average and pulse power measurements
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Rugged design for field environments
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Lightweight: only 3.0 kg
What’s Included:
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AC/DC adapter
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Localized power cord
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Rechargeable Li-ion battery
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Soft carrying case with backpack/shoulder straps
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Quick Reference Guide
Migrating from the N9928A to a current configuration
Keysight has discontinued the N9928A. Techmaster keeps this page as a specification reference and to support installed units — ISO/IEC 17025 calibration, repair and accessories remain fully available.
Keysight’s official product page does not list a direct replacement for the N9928A. Techmaster engineers will recommend an equivalent current configuration that matches the measurement range, channel count and options you use.
Replacement advice
Call 0908 173 345 or send a request via our contact page to get an equivalent current model recommended.
Source: Keysight official product page — N9928A (“Replacement Product” section). Contact a Techmaster engineer on 0908 173 345 for migration advice.
Keysight N9928A key features
- Configure as a full, two-port VNA, time-domain reflectometer, vector voltmeter, cable and antenna analyzer, and more
- Measure all four S-parameters simultaneously with a single connection and up to 95 dB of dynamic range
- Perform accurate testing with QuickCal, full two-port unknown thru Cal, and Thru, Reflect, Line (TRL) calibration in the field
- Measure average and pulse power easily with a USB power sensor.
- Carry the lightest handheld VNA at only 3.0 kg (6.6 lb.)
Source: official Keysight product page (https://www.keysight.com/us/en/product/N9928A/fieldfox-a-handheld-microwave-vector-network-analyzer-26-5-ghz.html)
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