Supports 2.4G/5GHz dual-band, the speed up to 300Mbps in the 2.4GHz band and 867Mbps in the 5GHz band Supports Bluetooth 5.0 standard, compatible with Bluetooth 2.1+EDR Adopts NGFF (M.2 A/E Key) interface
Multiprotocol 2.4GHz radio 32-bit ARM Cortex M0 processor 256kB/128kB flash and 32kB/16kB RAM 10-bit ADC 128-bit AES ECB/CCM/AAR co-processor Quadrature demodulator Low cost external crystal 16MHz ? 40ppm Low power 16MHz crystal and RC oscillators Ultra low power 32kHz crystal and RC oscillators Wide supply voltage range (1.8 V to 3.6 V)