Telephony Line Repeater Amplifier from Mexico
This audio-frequency electric amplifier is specifically designed for use as a repeater in line telephony systems, boosting analog signals over long copper wire distances to prevent degradation. It operates within standard telephony frequency bands and is used in traditional PSTN networks. Classified under HTS 8518.40.10.00 due to its dedicated function as a telephony repeater.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Provide technical specs confirming telephony repeater use to avoid reclassification as general amplifiers under 8518.40.20
• Include carrier certification or network compatibility docs for FCC compliance and valuation
• Beware of digital signal processors; pure analog telephony boosters only qualify here