There are two problematic componants that I need to connect, the only problem is that I don't know the names of the two sockets so I am unable to find out how to connect the two.
I need to connect my router (WRT54GL) to an external antenna.
You need to find out what the fittings are (your pictures are a bit too fuzzy for me to make a positive identification) then go somewhere like here to see whether a connector exists.