U.S. imports of Apparatus for Carrier-Current or Digital Line Systems (NES) (SITC 76418) totaled $299.9M in August 2026, imported from 70 countries.
Importers of Apparatus for Carrier-Current or Digital Line Systems (NES) paid $32.8M in duties in August 2026, an average duty rate of 10.97% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule.
Last updated: August 2026 dataResidual-category apparatus for carrier-current and digital line systems — equipment not elsewhere specified under the broader telecommunications heading — plays a critical role in wireline broadband infrastructure, DSL aggregation, and legacy telephony networks. Because the SITC code captures a heterogeneous mix of line-interface units, multiplexers, and signal-conditioning gear, customs classification often requires a detailed technical description to distinguish this residual group from more specific HTS headings covering modems or switching apparatus. Importers should verify whether specific line-card or chassis assemblies fall here or under a more precisely defined subheading, as misclassification can affect Section 301 exposure.
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11.5K import shipments a month
The 'not elsewhere specified' qualifier means this category captures line-system apparatus that does not fit a more specific SITC or HTS subheading — typically specialized interface units, line drivers, or hybrid assemblies. Importers should obtain a binding ruling or consult a licensed customs broker when the equipment could plausibly fall under a dedicated modem, multiplexer, or switching heading.
Depending on the specific HTS classification and country of origin, certain telecommunications apparatus may be subject to Section 301 tariffs. Because this SITC group maps to multiple HTS subheadings, the applicable measure must be determined line by line based on the precise product description and origin.
Basic heading 79 of 642 in section 7
Basic heading 76418 · $299.9M of $172.0B
ImportsExports
Imports
$299.9MYoY · free account
Exports
$160.6MYoY · free account
12-mo low · imports
Low · free accountOver the twelve months to August 2026, the U.S. imported $3.2B of Apparatus for Carrier-Current or Digital Line Systems (NES).
Through August 2026 · exports 10 of 12 months reported. Source: U.S. Census Bureau.
Imports · August 2026
origin
Vietnam and China together supply 40% of it. China pays 17.3% duty; Mexico 0.8%.
customs district
Census does not publish district detail for this classification system.
destination
Census does not publish state detail for this classification system.
entry
Census does not publish port detail for this classification system.
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