Ring Generator for Telephony from Mexico
An electronic device generating ringing voltage for analog telephone systems connected to telephonic networks. Falls under HTS 8543.70.60.00 as specialized apparatus for telephonic instruments.
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
• Document frequency (16-25Hz) and voltage (75-90Vrms) specs for verification
• Electrical safety certifications critical for high-voltage line devices
• Distinguish from general power supplies by emphasizing telephony signaling