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
PGA flags (1)Show detailsHide detailsHCConsumer Products SafetyMay be required
- HC
Consumer Products Safety · May be required
May require HC Consumer Products Safety depending on intended use (HC21) and Canadian product category (HC29, HC30, HC31, HC32, HC33, HC34, HC35, HC36, HC37); or intended use (HC22, HC23, HC24, HC26, HC27) and Canadian product category (HC37). Matching criteria: Equal To 8518400000; Equal To 8518400000. Logic: MATCH IF (Valid HS Code) AND (Intended Use Code) AND (Valid Canadian Product Category).
CBSA Single Window matching criteria, unknown
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