About Us

DS Instruments is dedicated to the design and manufacturing of compact and economical Microwave Test Equipment without compromising quality.  We focus on providing clean and simple interfaces with the flexibility to make our equipment attractive to engineers working in design, testing, lab settings, defense, government, universities, and overseas. All hardware design, firmware development, and assembly is based in The United States!  We pride ourselves in using genuine, cutting-edge components from the top semiconductor manufacturers.

Our current products include Microwave & RF Signal Generators, Digital RF Step Attenuators, Power Meters, Phase Shifters, Gain Blocks, Hybrid RF Mixers, and Frequency Counters. We are always developing new products and welcome ideas at any time! Direct sales, minimal advertising, and a lean business environment enable us to pass significant savings on to our satisfied customers.


Invest with Confidence : Client Organizations and Partners

Download our 2018 Company Info and Product Showcase!

For questions email us at [email protected] or Request a Quote!

Call us any time: (805) 242-6685

We are now based in the Eastern Sierra Nevada! (Formerly San Luis Obispo, CA)

DS Instruments Headquarters

788 Rubio Way

Gardnerville, NV, 89460


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RF Equipment Twitter Account

DS Instruments D&B D-U-N-S® Number: 079489002

CAGE Code: 76JK0


NAICS: 334515 (Microwave Test Equipment Manufacturing)

All of our products are ECCN:EAR99 currently.



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DS Instruments will be closed for a short summer break between Wednesday June 12th and Wednesday June 19th.

Sorry for the inconvenience, and thank you for your patience!