T1 Line Repeater Amplifier
Rack-mounted 1U audio-frequency amplifier serving as a repeater for T1 carrier telephony lines, regenerating 1.544 Mbps signals while preserving voice channels. Used in central office repeater shelves for long-haul telephony. Qualifies under HTS 8518.40.10.00 as telephony line repeater.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If digital T1/CSU/DSU units
Digital channel service units with CSU functions classified as telecom termination equipment.
If hybrid integrated circuits performing amplification
Monolithic or multichip amplifier modules considered electronic integrated circuits.
If imported as printed circuit boards only
Unpopulated PCBs or amplifier boards without housings class as parts of microphones/amplifiers.
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Import Tips & Compliance
• Verify carrier frequency specs match telephony standards (not E1/CEPT)
• Provide NEBS compliance certification for telco rack equipment
• Separate power supplies may classify individually under 8504 if imported separately
Related Products under HTS 8518.40.10.00
Telephony Line Repeater Amplifier
This audio-frequency electric amplifier is specifically designed for use as a repeater in line telephony systems, boosting analog signals over long copper wire distances to prevent degradation. It operates within standard telephony frequency bands and is used in traditional PSTN networks. Classified under HTS 8518.40.10.00 due to its dedicated function as a telephony repeater.
DSL Line Signal Repeater
A compact audio-frequency amplifier used as a repeater in DSL telephony lines to extend reach by regenerating signals in the voice frequency band. Deployed in telecom cabinets for xDSL services maintaining POTS compatibility. Fits HTS 8518.40.10.00 for telephony-specific repeater application.
Analog Telephone Line Extender Repeater
Wall-mountable audio-frequency repeater for analog telephone lines, compensating for signal loss over distances exceeding 5km. Features automatic gain control optimized for POTS signaling. HTS 8518.40.10.00 classification reflects its line telephony repeater design.
Subscriber Loop Audio Repeater
Shelf-mounted repeater for subscriber loops in telephony, amplifying audio-frequency signals between central office and customer premises. Supports both voice and low-speed dial-up modem signals. HTS 8518.40.10.00 due to specific line telephony application.
POTS Line Amplifier Repeater
DIN-rail mountable audio-frequency repeater for Plain Old Telephone Service (POTS) lines, providing 20dB gain for overcoming bridge tap losses. Designed for telecom enclosure deployment. Classified HTS 8518.40.10.00 for telephony repeater use.
E&M Audio Interface Repeater
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.