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Questions or Comments?

Tru Cal International, Inc. strives to offer you affordable, high quality RF, Microwave, Optical and General Purpose test equipment as well as reliable calibration services. We want to meet your needs and address your concerns. To contact us with any questions, concerns or complaints you might have, fill out the online form below and a customer service representative will get in touch with you as soon as possible.

Please list your name, phone number and email address so we can contact you in the manner you prefer. Also include the subject of your comment so we can know how to address your issue to the best of our abilities. Tru Cal International wants to help our customers and encourages them to use this form to contact us.

For other methods of communication, call us at 1-800-681-5540 or email general information at, sales at, or services at For frequently asked questions, try using the search bar located at the bottom of the page.

We look forward to hearing from you!

Note: If you need to send an attachment, please email us directly at