"none" <nospam@bogusaddress.com> wrote in message
news:l42Si.19274$ya1.15057@news02.roc.ny...
> Decided to take my IBM Thinkpad T41 apart to upgrade a few things. Noticed
> the WIFI card has TWO antenna jacks, internal and EXTERNAL! Followed the
> 'external' antenna wire to find it ending up by the USB ports. Upon close
> examination noticed just left of the USB ports is a small vertical
> rectangular opening with what APPEARS to be, an antenna symbol. Hmmm.
>
> I have a radio hobby and have seen a lot of antenna jacks but they are all
> HF, VHF, UHF types. Being the WLAN uses frequencies above these (it
> transmits at 2.4GHz) that must be the reason for the different jack. Thing
> is, where does one find an external antenna with a rectangular plug? I
> have a couple of WIFI antennas for 2.4GHz but they do not have rectangular
> antenna plugs, they're coaxial type.
>
> So how does one use an external antenna with one of these rectangular
> jacks?
>
> Thanks

There is no external wireless jack on a T41, at least I've never seen one on
the hundred or so I've had. The "jack" you are seeing in the Kensington
security lock attachment point.

Download this for future reference >
ftp://ftp.software.ibm.com/pc/pccbbs...39t6192_01.pdf

SCM