| Type RF Family/Standard Protocol Modulation Frequency Data Rate (Max) Power - Output Sensitivity Memory Size Serial Interfaces GPIO Voltage - Supply Current - Receiving | TxRx + MCU General ISM/SRD < 1GHz - FSK 433MHz, 868MHz, 915MHz 256kbps 7dbm -110dBm - SPI 4 2.2 V ~ 3.8 V 11mA 15mA |