| 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, GFSK, MSK 2.4GHz 500kBaud 1dBm -103dBm 32kB Flash, 4kB RAM SPI, UART 21 2 V ~ 3.6 V 17.1mA 16mA |