Kompfner Multiple-Beam Klystron MKC-1 from Mexico
Historical Kompfner MKC-1 multiple-beam klystron prototype (modern replicas) for research, producing high gain at S-band. HTS 8540.79.10.00 as klystron microwave tube, even for laboratory/research use matching technical specs. Named after inventor Simon Kompfner.
Duty Rate — Mexico → United States
13.3%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• University/government end-user statements speed clearance; radiation safety certification
• Avoid antique valuation disputes with modern replicas