Repeater Bus Interface Circuit Board from Mexico
Digital signal processing board for line repeaters of subheading 8518.40.10, providing equalization, gain control, and impedance matching. Meets HTS 8518.90.20.00 as parts of telephone line repeaters. Supports T1/E1 carrier systems up to 2.048 Mbps.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Specify carrier frequency and impedance (75/120Ω) to confirm repeater classification
• Provide BER test results demonstrating <10^-9 error rate performance
• Comply with NEBS Level 3 environmental requirements for carrier-grade imports