EFR32BG21A010F1024IM32 EFR32BG21 Series 2 wireless SoCs include a 80 MHz ARM Cortex-M33 core, providing plenty of processing capability, while a dedicated security core provides fast encryption, secure boot loading and a debug access control. This device includes 1024 kB of flash, 96 kB of RAM and is available in a QFN32 package. With up to 10 dBm maximum power output and an excellent receive sensitivity of -97 (1 Mbit/s GFSK) dBm, the EFR32BG21A010F1024IM32 provides a robust RF link for reliable communications for Bluetooth 5.1 and Bluetooth mesh applications. EFR32BG21A010F1024IM32 devices use the same tools as EFR32BG Series 1, providing easy migration and fast time-to-market with development kits, SDKs, mobile apps and our patented network analyzer.