Have you ever made a tcp server on the FEZ T18W board?
Welcome to the community.
That board simply uses ST’s WiFi for networking. So it will simply support whatever the wifi module can support https://www.st.com/content/st_com/en/products/wireless-transceivers-mcus-and-modules/wi-fi/spwf01sc.html
Perhaps the last post of aartastona in this thread can help
thank you for the answers hoping that the next update to exploit the spwf puse !!!