Thanks Steve, looked at the manual and sure enough, the hole I see is
called a security keyhole ... which leaves a question; where does the
cable for the WIFI external go? IS there a port for an external antenna
somewhere?
___
"Steve Midgley" <smidgley@com.net> wrote in message
news:19udnR36--RXcYXanZ2dnUVZ_hisnZ2d@comcast.com...
> "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
>