A connector adapted to be mateable with a mating connector along an up-down direction under a mounted state where the connector is mounted on a circuit board, the connector comprising: a housing; and a contact; wherein the contact is press-fit in the housing from below to be held by the housing, the contact having a connection portion and a resilient portion, the connection portion being adapted to be fixed to an upper surface of the circuit board under the mounted state, the resilient portion having a lower-end portion, the lower-end portion of the resilient portion being located below the connection portion, the resilient portion being resiliently deformable downward; and wherein the housing has two outer walls extending in a pitch direction perpendicular to the up-down direction, the housing has two coupling walls each coupling the outer walls to each other in a width direction perpendicular to both the up-down direction and the pitch direction; the housing has a bottom portion and a protruding portion; the protruding portion is provided at the middle part of the housing in the width direction and protrudes upward from the bottom portion; and the contact is held by the outer wall and partially extends through a ditch of the protruding portion characterized in that the connector further comprises a regulation member having an insulation portion and a metal portion, the insulation portion (310, 310A) being supported by the metal portion from below, the metal portion being fixed to the housing and arranged to electromagnetically shield the housing from below; the lower-end portion of the resilient portion is located right above the insulation portion of the regulation member; each of the outer walls is formed with a stop wall located at an upper end thereof and extending long in the pitch direction while protruding outward in the width direction; and the contact has a stopped portion located under the stop wall. a housing; and a contact; wherein the contact is press-fit in the housing from below to be held by the housing, the contact having a connection portion and a resilient portion, the connection portion being adapted to be fixed to an upper surface of the circuit board under the mounted state, the resilient portion having a lower-end portion, the lower-end portion of the resilient portion being located below the connection portion, the resilient portion being resiliently deformable downward; and wherein the contact is press-fit in the housing from below to be held by the housing, the contact having a connection portion and a resilient portion, the connection portion being adapted to be fixed to an upper surface of the circuit board under the mounted state, the resilient portion having a lower-end portion, the lower-end portion of the resilient portion being located below the connection portion, the resilient portion being resiliently deformable downward; and wherein the housing has two outer walls extending in a pitch direction perpendicular to the up-down direction, the housing has two coupling walls each coupling the outer walls to each other in a width direction perpendicular to both the up-down direction and the pitch direction; the housing has a bottom portion and a protruding portion; the protruding portion is provided at the middle part of the housing in the width direction and protrudes upward from the bottom portion; and the contact is held by the outer wall and partially extends through a ditch of the protruding portion characterized in that the connector further comprises a regulation member having an insulation portion and a metal portion, the insulation portion (310, 310A) being supported by the metal portion from below, the metal portion being fixed to the housing and arranged to electromagnetically shield the housing from below; the lower-end portion of the resilient portion is located right above the insulation portion of the regulation member; each of the outer walls is formed with a stop wall located at an upper end thereof and extending long in the pitch direction while protruding outward in the width direction; and the contact has a stopped portion located under the stop wall.