| 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, OOK 240MHz ~ 930MHz 128kbps 20dBm -118dBm - SPI 3 1.8 V ~ 3.6 V 18.5mA 27mA |