E&M Audio Interface Repeater from China
> An audio-frequency repeater with E&M signaling interface for PBX trunk lines, amplifying 4-wire audio paths in telephony interconnects. It is essential for legacy TDM voice systems. 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's primary function is audio-frequency amplification, not signaling conversion
• Provide CBSA with documentation showing the amplifier's frequency range and application in PBX systems
• Check if the product requires any technical certification for use in Canadian telecommunication networks