Ultra-low-power dual core Arm Cortex-M4 MCU 64 MHz, Cortex-M0+ 32MHz with 1 Mbyte of Flash memory, Bluetooth LE 5.0, 802.15.4, Zigbee, Thread, USB, LCD, AES-256
Ultra-low-power dual core Arm Cortex-M4 MCU 64 MHz, Cortex-M0+ 32MHz with 256 Kbyte of Flash memory, Bluetooth LE 5.0, 802.15.4, Zigbee, Thread, USB, LCD, AES-256

Sub-GHz Wireless Microcontrollers. Arm Cortex-M4 @48 MHz with 256 Kbytes of Flash memory, 64 Kbytes of SRAM. LoRa, (G)FSK, (G)MSK, BPSK modulations. AES 256-bit. Multiprotocol System-on-Chip.
High-performance, IEEE 802.15.4 wireless system-on-chip with 128-Kbyte Flash, QFN48

RF Microcontrollers - MCU High Perf ARM 32Bit 256kB Flash FQFPN-48

RF Microcontrollers - MCU High Perf ARM 32Bit 256kB Flash FQFPN-48