| 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 315MHz, 434MHz, 868MHz, 915MHz 256kbps 8dBm -109dBm - SPI - 2.2 V ~ 5.4 V 13mA 24mA |