| Type RF Family/Standard Protocol Modulation Frequency Data Rate (Max) Power - Output Sensitivity Memory Size Serial Interfaces GPIO Voltage - Supply Current - Receiving | TxRx Only 802.15.4, ISM 6LoWPAN, Zigbee® O-QPSK 2.4GHz 2Mbps 4dBm -101dBm 128B SRAM SPI - 1.8 V ~ 3.6 V 11.8mA 13.8mA |