CO/RT Hybrid Audio Repeater

Outdoor-rated repeater for central office to remote terminal audio links in hybrid fiber-coax telephony. Amplifies VF signals post-opto conversion. HTS 8518.40.10.00 as telephony line repeater despite hybrid deployment.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+35.0%35%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

8517Lower: 10% vs 35%

If parts of telecom transmission apparatus

Amplifiers designed as replaceable modules for specific telecom transmitters.

8536.90.40.00Same rate: 35%

If apparatus for carrier-current line systems

Power line carrier audio equipment classified under electrical apparatus.

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Import Tips & Compliance

NEMA/IP ratings documentation required for outdoor equipment

Temperature range specs (-40°C to +65°C) validate telco hardening

Lightning protection circuitry must be clearly documented

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.

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.

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.