A connector includes a first insulator, contacts joined to the first insulator, a contact insulator integrally holding the contacts in a vicinity of rear end portions thereof, a ground plate which extends along the contacts, a metal peripheral shell placed over the first insulator so as to surround a periphery of front end portions of the contacts and a front end portion of the ground plate and electrically connected to the ground plate, and a second insulator that is formed so as to cover a rear part of the first insulator, a rear part of the peripheral shell, central parts of the contacts and a central part of the ground plate, with the rear end portions of the contacts, the contact insulator and a rear end portion of the ground plate being exposed.