Traveling Wave Tube Amplifier TWT from Mexico
High-power vacuum tube amplifier using a helix slow-wave structure for microwave amplification in satellite communications. HTS 8540.89.00.80 covers this as other vapor or vacuum filled tubes for RF applications.
Duty Rate — Mexico → United States
13.7%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• ,Specify helix construction and vacuum envelope in technical literature for proper 8540 classification