Connector

(a) A connector comprising a connector body and a terminal attached to the connector body, the connector being fitted with a counterpart connector, wherein:

• (b) the connector body includes a recessed groove and side walls extending in a longitudinal direction of the connector body, the side walls defining both sides of the recessed groove,
• (c) the terminal includes a plurality of terminals disposed along each of the side walls, and the plurality of terminals disposed along each of the side walls include one high frequency terminal and ground terminals disposed on both sides of the high frequency terminal, and in plan view, a straight line connecting high frequency terminals disposed along both the side walls is inclined with respect to a center line of the connector body in a width direction, and
• (d) when the connector is fitted with the counterpart connector, a shield plate of the counterpart connector is at least partially accommodated in the recessed groove and extends along the center line.