Contact Technical Support

How We Can Help

Tel-Instrument provides comprehensive technical support for current and legacy avionics test equipment. Our experienced support team can assist with product operation, troubleshooting, software revisions, calibration services, warranty questions, repair coordination, and general technical inquiries.

Please complete the Technical Support Request below. Providing detailed information about your equipment and the issue you're experiencing will help us respond more efficiently. A confirmation email will be sent upon successful submission, and a Product Support representative will contact you as soon as possible.

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Contact Technical Support

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Product (*)	Current Products...-----------------------SDR-OMNISDR-OMNI/MILSDR-OMNI GPS ApplicationTAP-OMNIT-47/M5T-47/M5L2BTS-4530AAN/USM-708AN/USM-708AT-47NHLegacy Products...----------------------TR-220AN/APM-480ATR-36T-30DTR-401Other / Unknown Select a Product
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Type of Support Requested	Technical AssistanceOperational QuestionsTroubleshootingSoftware / Firmware UpdateSoftware Revision RequestCalibrationRepair ServiceWarranty SupportDocumentation RequestTrainingParts RequestGeneral QuestionOther Invalid Input
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	Submission Notice After clicking Send, you will be redirected to a confirmation page once your request has been successfully submitted. If you remain on this page, please review any highlighted fields, correct any errors, and submit again.