Start your design with the fully programmable FCC, IC/ISED, ETSI/CE, MIC, and SRRC Certified (In Process) wireless microcontroller (MCU) module with built-in dual-band Wi-Fi connectivity. The modules integrate the 40-MHz crystal, 32.768-kHz RTC clock, 32-Mb SPI serial Flash, RF filters, diplexer, and passive components.