Analog Repeater Voice Frequency Filter Module from Mexico
Module containing band-pass filters and microphone interface circuits for analog line repeaters (8518.40.10). Ensures voice signals stay within 300-3400 Hz telephony band. HTS 8518.90.41.00 as repeater part.
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
• Include filter response curves matching ITU-T telephony standards for classification support
• Declare as 'factory replacement part' with specific repeater model cross-references
• Provide proof of use in carrier long-haul analog systems vs. local audio applications