G.654.C Ultra Low Loss Fiber from Mexico
ITU-T G.654.C pure silica core single-mode optical fiber with ultra-low attenuation (≤0.154 dB/km at 1550nm) for submarine cable systems transmitting transoceanic voice, data, and video communications. Optimized for 1550nm operation. HTS 9001.10.0030.
Duty Rate — Mexico → United States
16.7%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Provide proof attenuation ≤0.154 dB/km @1550nm for submarine grade
• Declare pure-silica core/cladding structure (no germanium)
• Include hydrogen aging test results for submarine qualification