can i use my touch 3g as a modem???

[rado09]

hi guys i just got t-mobile mytouch 3g & im wondering if i can use it as modem for my laptop.
if i can can u tell me how plz ,, step by step

[Rudegar]

several guides here
"http://wiki.xda-developers.com/index.php?pagename=Networking%2C%20dial-up%2C%20Wi-Fi%2C%20using%20as%20modems%2C%20peer-to-peer%20etc"