| Type RF Family/Standard Protocol Modulation Frequency Data Rate (Max) Power - Output Sensitivity Memory Size Serial Interfaces GPIO Voltage - Supply Current - Receiving | TxRx + MCU 802.15.4 6LoWPAN, Zigbee® - 2.4GHz 250kbps 7dbm -97dBm 512kB Flash, 32kB RAM I²C, SPI, UART 32 2 V ~ 3.6 V 20mA 24mA |