Snom Handset Microphone Amplifier PCA from Canada
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 — Canada → United States
10%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
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