The present disclosure relates to a board connector comprising: a plurality of RF contacts for transmitting radio frequency (RF) signals; an insulating portion supporting the RF contacts; a plurality of transmission contacts coupled to the insulating portion; a ground housing to which the insulating portion is coupled; and a first ground contact for providing shielding between the transmission contacts and a first RF contact among the RF contacts based on a first axial direction, wherein the ground housing includes: a ground side wall that surrounds the side surfaces of the inner space; a ground upper wall coupled to the ground side wall; and a first-1 movable ground inner wall coupled to the ground upper wall, and the first-1 movable ground inner wall is moved by being pressed with a ground contact of a counterpart connector that is inserted into the inner space.