RF Family/Standard Protocol Modulation Frequency Data Rate Power - Output Sensitivity Serial Interfaces Antenna Type Memory Size Voltage - Supply Current - Receiving Current - Transmitting | Bluetooth Bluetooth v4.0 Low Energy - 2.4GHz 2Mbps 8dBm -98dBm ISP, PWM, SPI, UART Integrated, Chip 128kB Flash, 8kB SRAM |