HS code · 6-digit subheading
HS Code 9030.40 – Instruments and apparatus; specially designed for telecommunications (e.g. cross-talk meters, gain measuring instruments, distortion factor meters, psophometers)
HS code 9030.40 is the 6-digit subheading for instruments and apparatus, specially designed for telecommunications (e.g. cross-talk meters, gain measuring instruments, distortion factor meters, psophometers). It is used for optical time-domain reflectometers (OTDRs), spectrum analyzers for telecom, protocol analyzers, fiber optic power meters and signal generators for telecom.
What HS 9030.40 covers
This category encompasses highly specialized instruments and apparatus explicitly designed for measuring and checking parameters within telecommunications systems. These tools are critical for ensuring the performance, reliability, and compliance of communication networks, from fiber optics to wireless and traditional copper lines. Importers and exporters primarily include telecommunication service providers, network equipment manufacturers, and R&D facilities focused on communication technologies. Key aspects involve testing signal integrity, measuring gain, distortion, cross-talk, and other specific parameters essential for maintaining high-quality data and voice transmission. Their role is fundamental in the deployment, maintenance, and troubleshooting of modern digital infrastructure, supporting everything from internet backbone to mobile networks. The global demand for these instruments is driven by continuous expansion and upgrades in telecommunications infrastructure worldwide.
- Covers
- Optical time-domain reflectometers (OTDRs)
- Spectrum analyzers for telecom
- Protocol analyzers
- Fiber optic power meters
- Signal generators for telecom
- Network testers
- Cable certifiers
- Examples
- EXFO FTB-1 Pro
- Anritsu MS2090A Field Master Pro
- Viavi Solutions MTS-4000
- Rohde & Schwarz FSW Spectrum Analyzer
Codes often confused with 9030.40
Common mistake. Can be confused with general electrical measuring instruments under 903089 if not clearly 'specially designed for telecommunications,' or with general spectrum analyzers under 903084 if they have recording capabilities but aren't telecom-specific.
Top exporters and importers of HS code 903040, 2025
In 2025, the largest exporter of HS code 903040 in UN Comtrade data was Malaysia, with 25% of world exports; the largest importer in UN Comtrade data was the United States, with 21% of world imports. Countries that did not report 2025 data are estimated from partner records, which can understate them.
Top exporters 2025 · share of world exports
- 1 Malaysia $1.0B 25% of world exports
- 2 United States $821M 19% of world exports
- 3 Germany $422M 10.0% of world exports
World total: $4.2B Reported figures on UN Comtrade ↗
Top importers 2025 · share of world imports
- 1 United States $834M 21% of world imports
- 2 China $557M 14% of world imports
- 3 India $214M 5.4% of world imports
World total: $3.9B Reported figures on UN Comtrade ↗
How these figures are built
109 countries reported 2025 trade to UN Comtrade in HS 2022, and their own totals are used. Countries that did not report are estimated from what other countries recorded trading with them. Those estimates miss trade with other non-reporting countries, so they can be low, and a non-reporting country can rank higher than shown or be missing from the list. World totals add both and leave out trade between two non-reporting countries. Figures are in current US dollars; reported imports are mostly valued CIF and exports FOB, and exports include re-exports. The UN Comtrade links show the underlying records; they can also list a few reporters left out here (regional groups and older HS editions).
Source: UN Comtrade (United Nations Statistics Division), 2025 annual data.
Brazil NCM codes for 9030.40 4
Brazil splits HS 9030.40 into 4 NCM codes, Mercosur's 8-digit tariff lines.
- 9030.40.10 Protocol analysersAnalisadores de protocolo
- 9030.40.20 Selective level analysersAnalisadores de nível seletivo
- 9030.40.30 Digital transmission analysersAnalisadores digitais de transmissão
- 9030.40.90 Other telecom measuring instrumentsOutros
All Brazil NCM codes in heading 90.30 →
Source: Siscomex NCM table, updated Oct 2026. The Portuguese text is official; the English is our translation.
Questions about HS 9030.40
What is HS code 903040?
HS code 903040 is a 6-digit subheading in the Harmonized System that covers: Instruments and apparatus; specially designed for telecommunications (e.g. cross-talk meters, gain measuring instruments, distortion factor meters, psophometers). This category encompasses highly specialized instruments and apparatus explicitly designed for measuring and checking parameters within telecommunications systems. These tools are critical for ensuring the performance, reliability, and compliance of communication networks, from fiber optics to wireless and traditional copper lines. Importers and exporters primarily include telecommunication service providers, network equipment manufacturers, and R&D facilities focused on communication technologies. Key aspects involve testing signal integrity, measuring gain, distortion, cross-talk, and other specific parameters essential for maintaining high-quality data and voice transmission. Their role is fundamental in the deployment, maintenance, and troubleshooting of modern digital infrastructure, supporting everything from internet backbone to mobile networks. The global demand for these instruments is driven by continuous expansion and upgrades in telecommunications infrastructure worldwide.
What products fall under HS code 903040?
Optical time-domain reflectometers (OTDRs), spectrum analyzers for telecom, protocol analyzers, fiber optic power meters, signal generators for telecom, network testers, cable certifiers
What are common misclassifications for HS code 903040?
Can be confused with general electrical measuring instruments under 903089 if not clearly 'specially designed for telecommunications,' or with general spectrum analyzers under 903084 if they have recording capabilities but aren't telecom-specific.
Which countries are the top exporters of goods under HS code 903040?
In 2025, the top exporters of HS code 903040 in UN Comtrade data were Malaysia ($1.0B, 25% of world exports), the United States ($821M) and Germany ($422M). World exports came to about $4.2B, adding countries' reported figures and partner-based estimates for those that did not report (UN Comtrade data). Countries that did not report 2025 data are estimated from partner records, which can understate them.
Which countries are the top importers of goods under HS code 903040?
In 2025, the top importers of HS code 903040 in UN Comtrade data were the United States ($834M, 21% of world imports), China ($557M) and India ($214M). World imports came to about $3.9B, adding countries' reported figures and partner-based estimates for those that did not report (UN Comtrade data). Countries that did not report 2025 data are estimated from partner records, which can understate them.
How is HS code 903040 structured?
HS code 903040 is a 6-digit subheading under the Harmonized System. The first 2 digits (90) identify the chapter, digits 3-4 (30) identify the heading, and digits 5-6 (40) specify the subheading. This code is standardized globally by the World Customs Organization.
What is the Brazil NCM code for HS code 903040?
Brazil splits HS code 903040 into 4 NCM codes: 9030.40.10 (Protocol analysers), 9030.40.20 (Selective level analysers), 9030.40.30 (Digital transmission analysers), 9030.40.90 (Other telecom measuring instruments). The first 6 digits of each match the HS code.