Thales THKX50 Ku-Band Klystron from Japan
Thales THKX50 klystron provides 50 kW CW power at 13.75-14.5 GHz for Very Small Aperture Terminal (VSAT) satellite uplinks in broadband internet services. HTS 8540.79.10.00 applies as it is a klystron microwave tube for high-power RF transmission, distinct from magnetrons or TWTs. Used in commercial telecom ground stations.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Ensure CE marking for EU-origin klystrons; document end-use as commercial telecom to avoid military tariffs
• Calibrate frequency bands in customs declaration for accurate subheading