Patent ID: 8858237

Claim:
A receptacle connector comprising: a housing having a cavity opening along a horizontal direction, said cavity having a top wall and a bottom wall opposing to each other; a row of first contacts and a row of second contacts, each of the first contacts and second contacts having a mating portion, a mounting portion, and a body portion interconnecting the mating portion and the mounting portion, the mating portions of the first contacts and the second contacts respectively exposed on the top wall and the bottom wall into the cavity, the mounting portions of the first contacts and the second contacts extending out of the bottom wall; and a front contact module including a one-piece insulator and a plurality of third contacts insert-molded with the one-piece insulator, the insulator being mounted to the bottom wall, each said third contact having a mating portion at least partially extending into the cavity; the bottom wall has a tongue portion and a plurality of edge grooves defined on the tongue portion, each of the edge grooves opening forwardly and upwardly and receiving the mating portion of the third contact.