Keysight N9953B: The Ultimate Cable and Antenna Analyzer for Precision Testing

Keysight N9953B Cable and Antenna Analyzer, 54 GHz, CAT, VNA, AS, 1.85 mm Test Port, N995xB Series

The Keysight N9953B FieldFox is a premium handheld cable and antenna analyzer offering up to 54 GHz frequency coverage. It’s engineered for both routine maintenance and advanced RF diagnostics in wireless, aerospace, and defense applications.

More than just a cable and antenna analyzer, the N9953B integrates multiple test capabilities including a vector network analyzer (VNA), spectrum analyzer, built-in power meter, and vector voltmeter, all in a rugged, field-ready package weighing only 7.4 lbs (3.35 kg).

With fast boot-up, real-time spectrum analysis, and up to 120 MHz bandwidth, this all-in-one analyzer empowers engineers to capture elusive signals, verify component performance, and ensure system integrity — even in demanding environments.

Key Features

• Frequency Range (CAT/VNA): 300 kHz to 54 GHz

• Spectrum Analysis Range: 9 kHz to 54 GHz (via option)

• Real-Time Bandwidth: Up to 120 MHz (optional)

• Integrated Tools (via options):

  • Vector Network Analyzer

  • Spectrum Analyzer

  • Built-in Power Meter

  • Vector Voltmeter

• Port Type: 1.85 mm

• Simultaneous S-Parameter Measurement: Up to 4-port (optional)

• OTA Testing Support: For 5G NR, LTE, radar, satellite, and other modern RF systems

• Durability: MIL-grade rugged design, water-resistant

• Weight: Only 7.4 lbs (3.35 kg) – the lightest in its class

Why Choose the N9953B?

When flexibility and precision matter, the N9953B delivers. It’s one of the most capable and compact RF analyzers on the market, trusted globally for critical field diagnostics and compliance testing. Whether you’re working on 5G deployments, aerospace systems, or RF production lines, the FieldFox series brings lab-grade performance anywhere you go.

📘 Learn how high-performance tools like the N9953B align with global lab standards:
Top Calibration Standards Every Lab and Factory Must Follow (ISO 17025, NIST, etc.)

What’s Included

• Keysight N9953B Cable and Antenna Analyzer

• Rechargeable Li-ion Battery

• AC/DC Adapter

• Localized Power Cord

• LAN Cable

• Soft Carrying Case with Backpack and Shoulder Straps

• Quick Reference Guide

Technical Specifications

Applications

• Cable and antenna testing in cellular networks, broadcast, military comms

• Over-the-air (OTA) validation for 5G NR, LTE, Wi-Fi, and radar

• Return loss, VSWR, and distance-to-fault (DTF) measurements

• Spectrum monitoring and interference hunting

• Field compliance verification and on-site diagnostics

🔗 Explore More

• Cable and Antenna Analyzers Category

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• Top Calibration Standards Every Lab and Factory Must Follow (ISO 17025, NIST, etc.)