Traveling Wave Tube Amplifier TWTA-40GHz from Japan
A high-power traveling wave tube (TWT) microwave amplifier operating at 40 GHz with 200W output, essential for satellite uplinks and deep-space communications. Classified under HTS 8543.70.80.00 for its function as a microwave signal amplifier using vacuum tube technology. It amplifies weak microwave signals to high power levels for long-distance transmission.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• TWTA imports require radiation safety certifications and spectrum authority approvals; document vacuum tube specifications clearly
• Watch for misclassification as complete transmitters
• Ensure proper declaration of high-voltage components to avoid safety inspection delays