| 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 - GFSK, MSK 2.4GHz 2Mbps 5dBm -90dBm 32kB Flash, 1kB SRAM I²C, SPI, UART 16 2 V ~ 3.6 V 21.2mA 26mA |