Send file txt. on TCP/IP

[chiper]

Hi!
This is my first post on our forum. I would like to ask you about possibility transmitted file by wifi for TCP/IP. How could I do it? I read the book Kolban's, but I don"t found a answer for my questions or I didn't understand them. Second, have you too problems with transfer? Max speed what I had 6 MBit/s, next this speed go to low until this 200 Kbit/s.
Thanks your reply in advance. Regards Andrew B.

[chiper]

HI!
I have found a solution for transferring files from sd card. Sadly, there is a problem with the speed dropping every time a file is uploaded. Can anyone say under what reason? thank you in advance for your answer.
Reagards ANdrew.