| 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, SRD 6LoWPAN, Zigbee® BPSK, O-QPSK 769MHz ~ 935MHz 1Mbps 10dBm -110dBm 128B SRAM SPI - 1.8 V ~ 3.6 V 9.2mA 26.5mA |