The Agilent/Keysight N9937A FieldFox handheld microwave network analyzer provides precision and accuracy in field testing environments. Its key features include cable and antenna testing, vector network analysis, and spectrum analysis. This versatile instrument is engineered for on-site measurements, delivering lab-grade performance in a rugged, handheld package. The N9937A enables engineers and technicians to efficiently characterize and maintain RF and microwave systems, ensuring optimal performance and reliability.

Agilent/Keysight N9937A
The Agilent/Keysight N9937A is a FieldFox handheld microwave network analyzer, offering comprehensive network analysis capabilities in a portable form factor. It is designed for testing and troubleshooting RF and microwave components and systems in the field. With a frequency range up to 6.5 GHz, it supports various measurement functions including S-parameters, cable and antenna analysis, and time-domain reflectometry. Ideal for aerospace, defense, and telecommunications applications.
Product Condition & Availability
Agilent/Keysight N9937A is in excellent working condition and has been thoroughly tested for performance and reliability. We offer both new and professionally refurbished options, depending on availability and customer preference.
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Integrated Solutions & Deployment Support
Beyond individual products, Aumictech provides end-to-end solutions for manufacturing line deployment and test station setup. Our team can assist with system integration, configuration, and equipment selection tailored to your production requirements.
Trusted Industry Experience
With over a decade of experience, Aumictech is a recognized leader in RF and optical test equipment sales and services. All units are supported by our in-house calibration and repair facility based in Downingtown, PA, ensuring technical reliability and long-term value.
Customer Commitment
We’re committed to exceptional customer service, offering a 15-day return or replacement (ROR) policy for peace of mind. Our team is always available to assist with pre- and post-sale support.
Fast Shipping & Flexible Payments
We offer rapid global shipping through FedEx, UPS, and DHL, with most orders dispatched within 1–3 business days. Multiple secure payment options are available, including PayPal, ACH, wire transfers, and major credit cards.
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