Line Repeater Signal Conditioning Board from Mexico
Printed circuit board assembly with microphone preamplifiers for analog telephone line repeaters (8518.40.10). Conditions low-level audio pickup signals for transmission over copper lines. HTS 8518.90.41.00 as 'other' repeater parts.
Duty Rate — Mexico → United States
10%
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
• Submit repeater system architecture diagrams showing PCB integration to customs for classification verification
• Include AT&T or telecom standards compliance certificates proving repeater compatibility
• Declare exact frequency response characteristics matching analog voiceband specifications