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ISDN Protocol Tester from Canada

Tests ISDN layer 1-3 protocols for digital telephony networks. Telecom-specific under HTS 9030.40.00.00.

Duty Rate — Canada → United States

10%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada

Import Tips

Reference ANSI T1.601 standards