The Type WM from Murata is a RF Module with Frequency 2.4 & 5 GHz, Data Rate WLAN: 11, 54, 64 Mbps, Bluetooth: 3 Mbps, Supply Voltage 3.0 to 4.3 V, Current Receiving 50 mA at -87dBm at11Mb/s 2.4GHz, Current Transmitting 210 mA at 15dBm (11Mb/s). More details for Type WM can be seen below.