Saab 881301-1 Carcinotron (BWO)
The Saab 881301-1 Carcinotron is a backward wave oscillator (BWO) microwave tube used in electronic countermeasures (ECM) jamming systems, covering the 8-12 GHz frequency range. As a carcinotron, it falls under tariff item 8540.79.00 as an 'other' microwave tube, excluding grid-controlled tubes. This wideband tunable source is essential for military and defense-related jamming applications.
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 |
PGA flags
No agency flag on this HTS number in the CBSA Single Window matching criteria.
CBSA Single Window matching criteria, unknown
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the tube is a magnetron
Magnetrons are specifically classified under 8540.71.00, a subheading for magnetrons within microwave tubes.
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
• Ensure the carcinotron is declared as a microwave tube under 8540.79.00, and provide technical documentation confirming it is not grid-controlled
• Verify if an import permit is required for defense-related electronic countermeasure equipment
• Check the CBSA's D-Memo on tariff classification for microwave tubes to avoid delays
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.