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ISDN Protocol Tester from Japan

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

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

Import Tips

Reference ANSI T1.601 standards

ISDN Protocol Tester from Japan — Import Duty Rate | HTS 9030.40.00.00