An electrical connector includes an insulative cover enclosing the terminal module via an overmolding process. The cover includes a base and a tongue portion extending forwardly from the base and forming opposite mating surfaces thereon. The terminal module includes a plurality of terminals retained in the insulator wherein a contacting section of the terminal is exposed upon the mating surface. A pair of reinforcing metal plates are disposed upon the terminal module and enclosed by said cover except front portions of said reinforcing metal plates exposed outside of the cover.