E&M Audio Interface Repeater from Japan
Audio-frequency repeater with E&M signaling interface for PBX trunk lines, amplifying 4-wire audio paths in telephony interconnects. Essential for legacy TDM voice systems. HTS 8518.40.10.00 for line telephony repeater function.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Specify E&M Type I/II/III/V interface compatibility in docs
• SF signaling detection specs distinguish from general audio amps
• Export control verification needed for crypto-enabled variants