Contact QuinStar

QuinStar Technology, Inc. is in Torrance, California. We are industry leaders in millimeter-wave technology, in business for over years. As a result, our solutions meet a wide variety of application requirements including communications, radar, and scientific research. Important work is being done in these areas around the world. For this reason, we make it easy to contact QuinStar. We have sales representatives in the United States and globally.

While our website is comprehensive, MMW technology is complex. In addition, we offer customization and design work.  Please contact your local sales representative with any questions about QuinStar and our products.

Find your local sales representative here:

For places without a local sales representative, contact QuinStar directly at Additionally, you can send a question through our Contact Us form or request a quote through our RFQ form. Without delay, you will hear back from us within 24 hours. For immediate help, call 1-310-626-9704 ext. 102. Our sales department is open Monday – Friday from 8:00 am to 5:00 pm PST / UTC -8.

QuinStar Technology, Inc. is certified to ISO9001:2015 and AS9100 Rev D and DDTC registered.

Contact QuinStar today!