Yep, I'm sure. In fact have two T41's and each has a different WLAN
card. Both have internal and external antenna jacks with coax from each
(gray and black as you mentioned). One is an Intel, one Cisco.

The image by the 'port' :

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It doesn't look like the outdoor TV antenna as most would recognize as
an antenna symbol, nor is it a tower with a vertical antenna with
circles as others might recognize. It looks pretty much like the
'drawing' above!

___
"Bigguy" <bigguy36******.com> wrote in message
news:5ns0ogFjpg5mU1@mid.individual.net...
> none wrote:
>> 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.
>>
> You sure about this...?
>
> The miniPCI wireless card has two jacks marked Main + Aux (Grey +
> Black cables)...
>
> Is it an IBM wireless card?
>
> Guy