Traveling Wave Tube (TWT) RF Interaction Structure from Mexico
This RF interaction structure, specifically a helix assembly, is for traveling wave tubes used in satellite communications and high-frequency amplifiers. It falls under tariff item 8540.99.10 as an RF interaction structure for microwave tubes of subheadings 8540.71, 8540.72, or 8540.79.
Duty Rate — Mexico → Canada
0%
Import Tips
• Document that the RF interaction structure is for a traveling wave tube classified under subheadings 8540.71-8540.79
• Provide technical specifications, such as frequency and power ratings, to the CBSA
• If the TWT is for a different use, verify the classification