ISDN Protocol Tester
An ISDN protocol tester tests ISDN layer 1-3 protocols for digital telephony networks. It is specially designed for telecommunications, falling under tariff item 9030.40.00.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the tester is used for semiconductor devices
Instruments for semiconductor testing are classified separately.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Clearly state the tester's telecom-specific purpose in the commercial invoice
• Ensure the device is compliant with Canadian ISDN standards if applicable
• Keep user manuals available for CBSA officers to verify the product's function
Related Products under Tariff item 9030.40.00
Bit Error Rate Tester
A Bit Error Rate Tester (BERT) generates predefined test patterns and measures bit error rates in digital telecommunications systems, including fiber optic and wireless networks. It is specially designed for telecommunications performance testing, making it classifiable under tariff item 9030.40.00.
Cross-Talk Meter
A cross-talk meter is a specialized instrument that measures unwanted signal interference between communication channels in telecommunications networks. It is explicitly listed as an example of telecom-specific apparatus under tariff item 9030.40.00.
Distortion Factor Meter
A distortion factor meter quantifies harmonic and non-linear distortions in telecommunications signals to maintain voice and data quality. It is explicitly named as an example of telecom-specific apparatus under tariff item 9030.40.00.
Echo Canceller Test Set
An echo canceller test set evaluates echo cancellation performance in VoIP and telephony systems by injecting and measuring echoes. It is specially designed for telecommunications testing, falling under tariff item 9030.40.00.
Group Delay Meter
A group delay meter measures signal phase delay variations across frequencies in telecommunications filters and lines. It is specially designed for telecom applications, making it classifiable under tariff item 9030.40.00.
Jitter Measurement Instrument
A jitter measurement instrument measures timing variations in clock and data signals for synchronous telecommunications networks. It is specially designed for telecom timing analysis, classifiable under tariff item 9030.40.00.