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
9903.05.860%Universal product exemption (U.S. note 52(b))
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