| 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, ASK, MSK, OOK 300MHz ~ 348MHz, 389MHz ~ 464MHz, 779MHz ~ 928MHz 500kBaud 12dBm -117dBm 32kB Flash, 4kB SRAM I²C, SPI, UART - 2 V ~ 3.6 V 18.5mA 36mA |