4-Wire Telephony Repeater from China
> 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. This product falls under tariff item 8518.40.00 as an audio-frequency electric amplifier used in telephony applications.
Duty Rate — China → Canada
0%
Import Tips
• > Ensure the repeater is classified as an audio-frequency electric amplifier under 8518.40.00, not as telecommunication apparatus of heading 8517
• Provide technical documentation to CBSA showing the amplifier's frequency range and telephony application
• Verify if the product qualifies for any free trade agreement preferential tariff treatment based on origin