9030.40.00.00/Signal Gain Measuring Instrument/Japan

Signal Gain Measuring Instrument from Japan

This device precisely measures amplification or attenuation of signals in telecom transmission lines and equipment. Classified under HTS 9030.40.00.00 for its special design for telecommunications applications like fiber optic and radio networks.

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%

Calculate with your customs value Verify classification with AI

Import Tips

• Provide evidence of telecom-specific calibration standards (e.g

• ANSI T1) in import declarations

• Label with exact frequency range and modulation types to confirm telecom purpose

• Avoid misclassification by distinguishing from general multimeters (9028.30)