| 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 128kB Flash, 4kB EEPROM, 16kB SRAM I²C, SPI 38 1.8 V ~ 3.6 V 12.5mA 14.5mA |