| 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 - 2FSK, 2GFSK, 4FSK, 4GFSK, MSK, OOK 274MHz ~ 320MHz, 410MHz ~ 480MHz, 820MHz ~ 960MHz 200kbps 27dBm -120dBm 4kB ROM, 256B RAM SPI 4 2 V ~ 3.6 V 22mA 45mA |