NRF21540 RF Front-End Transceiver IC from China
Nordic nRF21540 PA/LNA RF front-end IC companion to transceiver SoCs, providing high-power transmit for BLE/Zigbee. Technically a transceiver companion but classified HTS 8542.39.0010 for RF signal chain integration. Extends range 3x over reference designs.
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
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Document harmonic filtering performance for regulatory approval
• Specify control interface protocols (SPI/QSPI)
• Include thermal resistance junction-to-ambient specs