ESP8266EX Microcontroller Module from Mexico

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 — Mexico → United States

0%

Rate breakdown

9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 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