XBee S6 WiFi with Wireless SD Shield howto

Projects Networking, Protocols, and Devices
2

I haven't used that module, but I think you're almost there, now that you can directly
interrogate/configure the module from the terminal. This means you can also send data
out the module.

See post #5 on the following thread for setting up a 2nd node to talk to via an adHoc
network.

http://arduino.cc/forum/index.php/topic,129433.0.html