The Air602 WiFi Development Board is based on Air602 Wi-Fi module and integrated USB interface and Antenna. If you plug this board into your computer, it will be recognized as an Ports (COM & LPT), so that you can code it with Serial port tool. This module support IEEE802.11b/g/n and AT command.
Meanwhile, if you do not need the USB, you can consider the Air602 Wi-Fi module. The size of which is only 12mm*10mm.
The Air602 forum is available now, you can find more resource here, and you can leave a message or discuss here.