Frequency Control Piezo-Quartz Bar from Mexico
Synthetic quartz bars engineered for precision frequency control in telecommunications equipment, utilizing inverse piezo-electric effect. Classified HTS 7104.10.00.00 as worked piezo-electric quartz, temporarily strung only for transport convenience. Provides stable oscillation for base stations.
Duty Rate — Mexico → United States
13%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include oscilloscope test results verifying piezo-electric frequency response
• Label clearly as 'synthetic piezo-electric quartz - not mounted' to prevent jewelry heading confusion
• For bulk imports, provide statistical annotations matching HTS revision 4 (2026) reporting