ESP32-WROOM-32 WiFi SoC from China
Dual-core Xtensa LX6 microcontroller with WiFi/Bluetooth, 520KB SRAM, flash memory interface, and radio transceivers. HTS 8542.31.00 as processor with integrated memories, converters, and logic circuits.
Duty Rate — China → United States
50%
Rate breakdown
9903.91.0550%Effective with respect to entries on or after January 1, 2025, articles the product of China, as provided for in subdivision (f) of U.S. note 31 to this subchapter
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Highlight wireless controller integration in technical docs
• Commonly confused with antennas (8529.10); focus on IC function
• Tray packing common; verify quantity per tray