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8540.89.00/Traveling Wave Tube (TWT)/Mexico

Traveling Wave Tube (TWT) from Mexico

Traveling wave tubes are velocity-modulated tubes that provide high gain amplification at microwave frequencies, essential for satellite communications and military radar. HTS 8540.89.00 covers these as other thermionic tubes due to their specialized electron interaction with electromagnetic waves.

Duty Rate — Mexico → United States

13.7%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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Import Tips

• ITAR/EAR export licenses frequently required; verify classification before import planning

• Detailed helix structure and collector specifications needed for customs technical review

Traveling Wave Tube (TWT) from Mexico — Import Duty Rate | HTS 8540.89.00