L3Harris TWTA-50S Traveling Wave Tube Amplifier
The L3Harris TWTA-50S is a military-grade traveling wave tube amplifier for electronic warfare and telemetry applications operating 2-18 GHz. As a TWT, it is a microwave tube that falls under tariff item 8540.79.00 for 'Other' microwave tubes, excluding grid-controlled tubes.
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 |
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
• Classify the TWT under 8540.79.00 as an 'Other' microwave tube
• For military use, ensure compliance with Canadian export/import controls and provide end-use documentation
• Verify if any special permits are needed for defense-related goods
Related Products under Tariff item 8540.79.00
Canon 7KVA-2 Klystron
The Canon 7KVA-2 is a high-power CW klystron used in particle accelerator injection systems, including medical linear accelerators and research facilities. As a klystron microwave tube, it falls under tariff item 8540.79.00 for 'Other' microwave tubes, excluding grid-controlled tubes.
Canon CNK-50H Industrial Klystron
The Canon CNK-50H is a high-power klystron microwave tube generating 50 kW at 2.45 GHz, specifically designed for industrial RF plasma processing in semiconductor manufacturing. As a klystron, it falls under the 'Other' category of microwave tubes, excluding grid-controlled tubes, which is covered by tariff item 8540.79.00.
Communications & Power Industries VZS-1203 Magnetron
The Communications & Power Industries VZS-1203 is a frequency-agile magnetron for L-band radar applications in weather monitoring and air traffic control. As a magnetron, it is a microwave tube that falls under tariff item 8540.79.00 for 'Other' microwave tubes, excluding grid-controlled tubes.
CPI TMD VKS-8262B S-Band Klystron
The CPI TMD VKS-8262B is a pulsed klystron delivering 7.5 MW at 2.9 GHz, used in air traffic control primary surveillance radars. As a klystron microwave tube, it is classified under tariff item 8540.79.00 for 'Other' microwave tubes, excluding grid-controlled tubes.
CPI TMD VTS-2703 Traveling Wave Tube
The CPI TMD VTS-2703 is a high-power traveling wave tube (TWT) amplifier used in satellite ground stations for RF signal amplification in Ka-band communications. As a microwave tube, it falls under tariff item 8540.79.00 for 'Other' microwave tubes, excluding grid-controlled tubes.
Kompfner Multiple-Beam Klystron MKC-1
The Kompfner Multiple-Beam Klystron MKC-1 is a historical prototype (or modern replica) used for research, producing high gain at S-band frequencies. As a klystron microwave tube, it falls under tariff item 8540.79.00 for 'Other' microwave tubes, excluding grid-controlled tubes.