ESP8266EX Microcontroller Module from China
Espressif ESP8266EX is an 8-bit Tensilica processor-based SoC with WiFi for IoT applications. Classified HTS 8542.31.00.15 as an 8-bit controller despite wireless features due to primary microcontroller function with integrated memory and radio 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
• Include FCC certification for wireless functionality to avoid telecommunications equipment scrutiny
• Declare WiFi specs separately but maintain IC classification focus
• Monitor for reclassification as transmission apparatus if radio dominates