| Type RF Family/Standard Protocol Modulation Frequency Data Rate (Max) Power - Output Sensitivity Memory Size Serial Interfaces GPIO Voltage - Supply Current - Receiving | TxRx Only WiFi 802.11a/b/g - 2.4GHz ~ 2.5GHz, 4.9GHz ~ 5.875GHz 54Mbps -2dBm -75dBm - SPI - 2.7 V ~ 3.6 V 135mA 142mA |