Distortion Factor Meter
A distortion factor meter quantifies harmonic and non-linear distortions in telecommunications signals to maintain voice and data quality. It is included as an example of telecom-specific apparatus under tariff item 9030.40.00.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
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No agency flag on this HTS number in the CBSA Single Window matching criteria.
CBSA Single Window matching criteria, unknown
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the distortion meter is used for non-telecom applications like audio equipment testing
General distortion measurement instruments fall under other subheadings of heading 90.30.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Ensure the meter is marketed and designed for telecom signal testing, not general audio or electrical distortion measurement
• Keep user manuals and datasheets showing telecom-specific features for CBSA verification
• Verify if the meter is exempt from certain certification requirements due to its test equipment nature
Related Products under Tariff item 9030.40.00
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A Bit Error Rate Tester (BERT) generates predefined test patterns and measures bit error rates in digital telecommunications systems, including fiber optic and wireless networks. It is specially designed for telecommunications performance testing, making it classifiable under tariff item 9030.40.00.
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A cross-talk meter is a specialized instrument that measures unwanted signal interference between communication channels in telecommunications networks. It is explicitly listed as an example of instruments specially designed for telecommunications under tariff item 9030.40.00.
Echo Canceller Test Set
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ISDN Protocol Tester
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Jitter Measurement Instrument
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