Patent ID: 7909654

Claim:
A plug connector for mating with a receptacle connector comprising: a PCB having opposed upper and lower surfaces; a plurality of metal contacting pads disposed on the upper surface of the PCB; a metal shell enveloping the upper surface of the PCB and collaborating with the upper surface to form a receiving space for receiving a tongue plate of the receptacle connector; and a metal film covering the lower surface of the PCB; wherein the metal film is coated or adhesive onto the lower surface of the PCB; wherein the metal shell comprises a top wall, a pair of side walls extending downwardly from two lateral sides of the top wall, and an opening downwardly open to an exterior, the lower surface of the PCB is exposed over the opening; wherein the PCB has a pair of notches recessed inwardly from two side faces thereof, the side walls have retaining portions retained in the corresponding notches, the side walls have side surfaces coplanar with the side faces of the PCB; and wherein the PCB has front portions at front of the notches for resisting the retaining portions backwardly, back portions at back of the notches for resisting the retaining portions forwardly, and bottom portions at bottom of the notches for resisting the retaining portions upwardly.