| 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 3Mbps 10dBm -90dBm 6MB ROM, 48kB RAM - - 2.7 V ~ 5.5 V - - |