ISDN Protocol Tester from Mexico
Tests ISDN layer 1-3 protocols for digital telephony networks. Telecom-specific under HTS 9030.40.00.00.
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
• Reference ANSI T1.601 standards