A high frequency electrical connector includes a housing with first and second rows of contacts therein. The housing includes a base and a mating tongue extending forwardly from the base. Each contacts has a contacting section exposed upon the mating surface of the mating tongue, a connection section exposed out of the base, and a middle section therebetween. The first row of contacts as well as the second row of contacts includes a plurality of grounding contacts. First and second shielding plates stacked with each other and commonly between the first row of contacts and the second row of contacts. The first shielding plate and the second shielding plate form corresponding spring tangs offset from each other in the front-to-back direction to respectively contact the first grounding contacts and second grounding contacts at different positions in the front-to-back direction.