Repeater Station Microphone Pre-Amplifier from United States
This low-noise pre-amplifier circuit board is for microphone signals in analog telephone repeater stations and provides initial gain before main repeater amplification stages. It is a dedicated component of repeater equipment. As a part of audio-frequency electric amplifiers used in repeaters, it is classified under the parts provision of this tariff item.
Duty Rate — United States → Canada
0%
Import Tips
• Ensure the pre-amplifier is declared as a part of a line repeater, not as a complete repeater
• Have technical documentation showing the gain and amplification functions
• Check for duty-free eligibility under a trade agreement