4-Wire Telephony Repeater from Japan
Dual-channel audio-frequency repeater for 4-wire telephony circuits, providing independent TX/RX amplification with hybrid balance. Used in microwave radio backhaul audio channels. Fits HTS 8518.40.10.00 telephony repeater criteria.
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
• Document 600/900 ohm impedance matching for legacy systems
• Return loss and crosstalk specs validate telephony application
• Avoid fiber optic variants; pure electrical line repeaters only