| 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, GFSK, GMSK, LoRa™, MSK, OOK 137MHz ~ 1.02GHz 300kbps 20dBm -137dBm - SPI - 1.8 V ~ 3.7 V 13mA 28mA |