pocket wifi antenna to fme plug?

can i get the vodafone pocket wifi antenna extended by using 2 wires soldered to two points and connect to fme but which wire do i use for the ground (sheilding) or am i wrong.

Picture of pocket wifi antenna to fme plug?

Have you succeed to connect Antenna. Can you please advice me on your question?

Just use a passive patch antenna instead, you'll not match the impedance of the connector to the adapter, and you may end up blowing the front end of the adapter.