| 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 < 1GHz - FSK 431MHz ~ 464MHz, 862MHz ~ 870MHz, 902MHz ~ 928MHz 384kbps 13dBm -104.2dBm - SPI - 2.3 V ~ 3.6 V 21mA 28mA |