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%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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