The CDW208821C is a single-die wireless local area network (WLAN) solution designed to support 1 × 1 IEEE 802.11a/b/g/n/ac WLAN standards, enabling seamless integration of WLAN technology. This user manual provides comprehensive information on the module's features, specifications, installation, and compliance requirements.
Key features include a low-power SDIO 3.0 interface, support for 2.4GHz and 5GHz band channels, a single-ended RF port for cleaner design, and multiuser MIMO. The module operates within the 2.4GHz and 5GHz ISM bands and supports various modulation methods. It is designed for OEM installation only and requires professional installers to configure power and control signal settings.
The manual also includes detailed pin descriptions, recommended reflow profiles, packing information, and regulatory statements, including FCC and ISED warnings. It emphasizes the importance of ESD precautions and provides guidance on antenna installation and compliance with radiation exposure limits. This document serves as a comprehensive guide for integrating the CDW208821C Wi-Fi module into various applications.