| 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 IR-UWB BPM, BPSK 3.5GHz ~ 6.5GHz 6.8Mbps -10dBm - - SPI - 2.8 V ~ 3.6 V 64mA 31mA |