I know they make a combo m-pci card that has wifi and bluetooth, I have one in my Voodoo U703, it's based on Clevo/sager D900T. I am still looking on ebay for parts to fix this machine, it works but need a few odd and ends. Never booted a OS on it besides from live Linux cd, so I can't tell you much about the card.http://www.amazon.com/Billionton-Class- ... B000FBOVOK
The Billionton card works well, the cheaper china made ones I hear don't last very long
The original bluetooth is on a daughter card in the CF-18 off to the side.http://www.amazon.com/Billionton-Class- ... B000FBOVOK
This is what it looks like. WWAN, GPS and Bluetooth need that card to install the factory stuff. The link below shows only WWAN on one side, and empty slot (gps) and small card (bluetooth) on the other slot.
(If you can't find one I may have a extra daughter card left, I did get rid of a lot of them but still may have one or two lying around if you want me to look)http://www.ebay.com/itm/Panasonic-Tough ... 257578ed2e
Didn't you say your unit had WWAN? If so it has the daughter card already. CF-18DHA37KA..It would be worth pulling the back off again and see if it has bluetooth already. Some of the daughtercards had a sims card slot others didn't, I think yours is the harder to find board because of the plug in voice option it has. Did you get your battery and hard drive yet?