Specifications:

Voltage: 3.3 V
Supported types: 802.11 b / g / n
Characteristics:
Wi-Fi Direct (P2P), soft AP
Integrated TCP / IP protocol stack
Power: + 19.5 dBm in 802.11b mode
Consume off: <10uA
Communication: SDIO 1.1 / 2.0, SPI, UART
Wake-up time: <2 ms
Standby consumption: <1.0 mW
Length        18 mm
Width        25 mm
Height        4 mm
Weight        2 g