Word Processor Modem Interface PCA from Mexico
Printed circuit assembly interfacing 300-baud modems for file transfer in 8472.90.50 word processing machines. Classified HTS 8473.40.21.00 as dedicated comms part. Supports Hayes-compatible protocols for early networks.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Certify baud rates and AT command sets for word processor use
• Declare as internal card, not external modem
• FCC compliance docs required for radio components if any