| 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, OOK 300MHz ~ 510MHz 150kbps 12.5dBm -104dBm - SPI - 2.1 V ~ 3.6 V 3mA 25mA |