Repeater Station Microphone Pre-Amplifier from Canada
Low-noise pre-amplifier circuit board for microphone signals in analog telephone repeater stations (8518.40.10). Provides initial gain before main repeater amplification stages. HTS 8518.90.41.00 classification.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Specify noise figure and gain specifications matching analog repeater requirements
• Include system block diagrams showing position in repeater signal chain
• Telecom carrier qualification documents strengthen classification claims