Well, it finally appeared to be a configuration process. My router forces "restricted" mode to work flawlessy with my card. I then succeeded with iwconfig commands.
This bug turns into a "feature enhancement" proposition _ Moving/Reporting this bug to gnome network config package to add "open" and "restricted" mode configuration in the GUI. -- Wireless Card ipw3945 not seen and power transmitter is zero https://launchpad.net/bugs/48343 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs