| Type RF Family/Standard Protocol Modulation Frequency Data Rate (Max) Power - Output Sensitivity Memory Size Serial Interfaces GPIO Voltage - Supply Current - Receiving | TxRx + MCU Bluetooth Bluetooth v2.1 +EDR, Class 2 and 3 - 2.4GHz - 5dBm -90dBm 8MB Flash - - 1.8 V ~ 3.6 V - - |