PAN9420 Embedded Wi-Fi® Module Panasonic PAN9420 Embedded Wi-Fi® Module offers 2.4GHz 802.11 b/g/n Wi-Fi with integrated stack and API, minimizing wireless application development time. Specifically designed for highly integrated and cost-effective applications, Panasonic PAN9420 Module includes a fully shielded case, integrated crystal oscillators, and an internal chip antenna.