Line Repeater Signal Conditioning Board
A printed circuit board assembly with microphone preamplifiers for analog telephone line repeaters. It conditions low-level audio pickup signals for transmission over copper lines, serving as a part of audio-frequency electric amplifiers.
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 |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If imported as a complete repeater amplifier
Complete amplifiers are classified under the amplifier heading.
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 board is declared as a part of an audio-frequency electric amplifier, not as a complete amplifier
• Keep technical documentation showing its function in line repeaters
• Verify if the board is a printed circuit assembly, which may affect classification
Related Products under Tariff item 8518.90.00
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A module containing band-pass filters and microphone interface circuits for analog line repeaters. It is a part of audio-frequency electric amplifiers used in telecommunications, classified under the parts provision of this tariff item.
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