| 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 Zigbee® - 2.4GHz 2Mbps 3.5dBm -100dBm 256kB Flash, 8kB EEPROM, 32kB SRAM I²C, SPI 38 1.8 V ~ 3.6 V 6mA 14.5mA |