Ok here is my solution hope it works as good..
1. First i got
this U.FL to "SMA" Female 6" pig tail.
2. Second i got
these SMA Male to FME Male adapter from
here.
I will install the pigtail making a hole at the back of my Car PC in the motherboard apperture sheild, i am planning to install 2 pigtails one for the WiFi card and One for the EVDO card. Then use ther adapters to connect the external antenna wires to it..
hope this works.. what do u guys think?