4-Wire Telephony Repeater
A dual-channel audio-frequency repeater designed for 4-wire telephony circuits, providing independent transmit and receive amplification with hybrid balance. It is used in microwave radio backhaul audio channels to maintain signal integrity over long distances.
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 |
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 repeater includes additional telecommunication functions such as multiplexing or line interfacing
Machines for the reception, conversion and transmission or regeneration of voice, images or other data may be classified in 8517.
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 repeater is classified as an audio-frequency electric amplifier under 8518.40.00 and not as a telecommunication apparatus of 8517
• Have the product's technical specifications ready to demonstrate its amplification function
• Check if the repeater qualifies for any free trade agreement preferential tariff treatment
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