| Type RF Family/Standard Protocol Modulation Frequency Data Rate (Max) Power - Output Sensitivity Memory Size Serial Interfaces GPIO Voltage - Supply Current - Receiving | TxRx Only General ISM/SRD < 1GHz - FSK, GFSK, GMSK, MSK, OOK 868MHz, 915MHz 300kbps 20dBm -123dBm - SPI 6 1.8 V ~ 3.7 V 9.3mA 125mA |