Snom Handset Microphone Amplifier PCA from Mexico
Microphone preamplifier and codec printed circuit assembly for Snom line telephone handsets. Features low-noise ADC, AGC, and comfort noise generation per RFC 3389. HTS 8518.90.20.00 for line telephone handset specific PCBs.
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
• Include microphone sensitivity (-46dB typical) and SNR specifications in technical data
• Verify no wireless components to avoid 8518.90.40 classification
• Document audio path exclusivity to handset (not base) for customs verification